Repair-Parts
ProMix® PD2K Pr
oportioner for
Automatic Spr
ay Applications
332709B
EN
Electronic positive displacement proportioner for fast-setting two-component materials. System for
automatic dispense, with Advanced Display Modules. For professional use only.
Important Safety Instructions
Read all warnings and instructions in this manual and in your
installation, operation, and associated component manuals.
Save these instructions.
See page 3
for model part numbers and
approvals information.
PROVEN QUALITY. LEADING TECHNOLOGY.
Contents
Models............................................................... 3
Related Manuals ................................................ 5
Warnings ........................................................... 6
Important Isocyanate (ISO) Information................ 9
Troubleshooting.................................................. 10
System Troubleshooting............................... 10
Error Code Troubleshooting.......................... 11
Power Barrier Board Diagnostics .................. 21
Isolation Board Diagnostics .......................... 22
Enhanced Fluid Control Module (EFCM)
Diagnostics .................................... 23
Pump Module Diagnostics ............................ 24
Advanced Display Module Diagnostics ........... 25
Notes ................................................................ 26
Electrica
l Schematics.......................................... 27
Optional Cables and Modules ....................... 33
Repair................................................................ 34
Before Servicing .......................................... 34
Pressure Relief Procedure............................ 35
Repairing the Advanced Display Module
(ADM)............................................ 36
Servicing the Control Box ............................. 38
Servicing the Fluid Section ........................... 48
Notes ................................................................ 53
Parts.................................................................. 54
Proportioner Parts........................................ 54
Control Box Parts......................................... 57
Solenoid Manifold Parts................................ 60
Technical Data ...................................................61
Graco Sta
ndard Warranty.................................... 62
2
332709B
Models
Models
SeeFigs.1–7f
or component identification labels, including approval information and certification.
Part No.
Series
Maximum Air Wo
rking
Pressure
Maximum Fluid
Working
Pressure
Location of PD2K and
Electrical Control Box
(ECB) Labels
AC1000
A
100 psi (0.7
MPa,
7.0 bar)
300 psi (2.0
68 MPa, 20.68 bar)
AC2000
A
100 psi (0.7 MPa,
7.0 bar)
1500 psi (10.34 MPa,
103.4 bar)
0359
II 2 G
Figure 1 Model AC1000 (Low Pressure) Identification
Label
Figure 2 24M672 Control Box Identification Label
Continued on the next page.
332709B 3
Related M anuals
Related Manuals
Current manua
ls are available at www.graco.com.
Manual No. Description
332458 PD2K Proportioner Installation
Manual, Automatic Systems
332564
PD2K Proport
ioner Operation
Manual, Aut
omatic Systems
332339 Pump Repair-Parts Manual
332454
Color Chan
ge Valve Repair-Parts
Manual
Manual No. Description
332455
Color Change Kits Instructions-
Parts Manual
333282
Remote Mix Ma
nifold
Instructio
ns-Parts Manual
332456 3rd and 4th Pump Kits
Instructions-Parts Manual
332709B 5
Warnings
Warnings
The following
warnings are for the setup, use, grounding, maintenance and repair of this equipment. The
exclamation p
oint symbol alerts you to a general warning and the hazard symbol refers to procedure-specific
risks. When th
ese symbols appear in the body of this manual or on warning labels, refer backtothese
Warnings. Pr
oduct-specific hazard symbols and warnings not covered in this section may appear throughout
the body of th
is manual where applicable.
WARNING
FIRE AND EX
PLOSION HAZARD
Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help
prevent fire and explosion:
• Use equipment only in well ventilated area.
• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and
plastic drop cloths (potential static arc).
• Keep work
area free of debris, including solvent, rags and gasoline.
• Do not plug or unplug power cords, or turn power or light switches on or off when flammable
fumes are present.
• Ground all equipment in the work area. See Grounding instructions.
•Useonly
grounded hoses.
• Hold gun firmly to side of grounded pail when triggering into pail. Do not use pail liners unless
they are antistatic or conductive.
• Stop operation immediately if static sparking occurs or you feel a shock, Do not use
equipment until you identify and correct the problem.
• Keepaw
orking fire extinguisher in the work area.
ELECTRIC SHOCK HAZARD
This equipment must be grounded. Improper grounding, setup, or usage of the system can
cause electric shock.
•Turn
off and disconnect power at main switch before disconnecting any cables and before
serv
icing or installing equipment.
• Connect only to grounded power source.
• All electrical wiring must be done by a qualified electrician and comply with all local codes
and regulations.
6 332709B
Warnings
WARNING
INTRINSIC SAFETY
Intrinsical
ly safe equipment that is installed improperly or connected to non-intrinsically safe
equipment wi
ll create a hazardous condition and can cause fire, explosion, or electric shock.
Follow local
regulations and the following safety requirements.
• Be sure your installation complies with national, state, and local codes for the installation of
electrical apparatus in a Class I, Group D, Division 1 (North America) or Class I, Zones 1
and 2 (Europe) Hazardous Location, including all of the local safety fire codes (for example,
NFPA 33, NEC 500 and 516, OSHA 1910.107, etc.).
• To help prev
ent fire and explosion:
• Do not install equipment approved only for a non-hazardous location in a hazardous
location. See model ID label for the intrinsic safety rating of your model.
• Do not substitute system components as this may impair intrinsic safety.
•Equipment
that comes in contact with the intrinsically safe terminals must be rated for Intrinsic
Safety. T
his includes DC voltage meters, ohmmeters, cables, and connections. Remove the
unit from
the hazardous area when troubleshooting.
SKIN INJECTION HAZARD
High-pr
essure fluid from dispensing device, hose leaks, or ruptured components will pierce
skin. Th
is may look like just a cut, but it is a serious injury that can result in amputation. Get
immedia
te surgical treatment.
• Do not point dispensing device at anyone or at any part of the body.
•Donotp
ut your hand over the fluid outlet.
• Do not stop or deflect leaks with your hand, body, glove, or rag.
• Follow the Pressure Relief Procedure when you stop dispensing and before cleaning,
checking, or servicing equipment.
•Tight
en all fluid connections before operating the equipment.
• Check hoses and couplings daily. Replace worn or damaged parts immediately.
MOVING PARTS HAZARD
Moving parts can pinch, cut or amputate fingers and other body parts.
• Keep clear of moving parts.
• Do not operate equipment with protective guards or covers removed.
•Pres
surized equipment can start without warning. Before checking, moving, or servicing
equi
pment, follow the Pressure Relief Procedure and disconnect all power sources.
TOX
IC FLUID OR FUMES
Tox
ic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin,
inh
aled, or swallowed.
• Read MSDSs to know the specific hazards of the fluids you are using.
•St
ore hazardous fluid in approved containers, and dispose of it according to applicable
gu
idelines.
• Always wear chemically impermeable gloves when spraying, dispensing, or cleaning
equipment.
332709B
7
Warnings
WARNING
PERSONAL PROTECTIVE EQUIPMENT
Wear appropriate protective equipment when in the work area to help prevent serious injury,
including eye injury, hearing loss, inhalation of toxic fumes, and burns. This protective
equipment includes but is not limited to:
•Protectivee
yewear, and hearing protection.
• Respirators, protective clothing, and gloves as recommended by the fluid and solvent
manufacturer.
EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
• Do not operate the unit when fatigued or under the influence of drugs or alcohol.
• Do not exceed the maximum working pressure or temperature rating of the lowest rated
system component. See Technical Data in all equipment manuals.
•Usefluids
and solvents that are compatible with equipment wetted parts. See Technical Data
in all equ
ipment manuals. Read fluid and solvent manufacturer’s warnings. For complete
informat
ion about your material, request MSDS from distributor or retailer.
• Do not leave the work area while equipment is energized or under pressure.
• Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use.
•Checkeq
uipment daily. Repair or replace worn or damaged parts immediately with genuine
manufac
turer’s replacement parts only.
• Do not alter or modify equipment. Alterations or modifications may void agency approvals
and create safety hazards.
• Make sure all equipment is rated and approved for the environment in which youareusingit.
•Useequ
ipment only for its intended purpose. Call your distributor for information.
• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.
• Do not kink or over bend hoses or use hoses to pull equipment.
•Keepc
hildren and animals away from work area.
• Comply with all applicable safety regulations.
8 332709B
Important Isocy
anate (ISO) Information
Important Iso
cyanate (ISO) Information
Isocyanates (ISO) are catalysts used in two
component materials.
Isocyanate Conditions
Spraying or dispensing materials containing
isocyanates creates potentially harmful mists,
vapors, and atomized particulates.
Read and understand material manufacturer’s
warnings and material MSDS to know specific
hazards and precautions related to isocyanates.
Prevent inhalation of isocyanate mists, vapors,
and atomized particulates by providing sufficient
ventilation in the work area. If sufficient ventilation
is not available, a supplied-air respirator is required
for everyone in the work area.
To prevent contact with isocyanates, appropriate
personal protective equipment, including
chemically impermeable gloves, boots, aprons,
and goggles, is also required for everyone in the
work area.
Keep Components A and B Separate
Cross-contamination can result in cured
material in fluid lines which could cause serious
injury or damage equipment. To prevent
cross-contamination:
• Never interchange component A and component
B wetted parts.
• Never use solvent on one side if it has been
contaminated from the other side.
Moisture Sensitivity of Isocyanates
Exposure to moisture (such as humidity) will cause
ISO to partially cure; forming small, hard, abrasive
crystals, which become suspended in the fluid.
Eventually a film will form on the surface and the ISO
will begin to gel, increasing in viscosity.
NOTICE
Partially c
ured ISO will reduce performance and
the life of a
ll wetted parts.
• Always use a sealed container with a desiccant
dryer in the vent, or a nitrogen atmosphere.
Never store ISO in an open container.
• Keep the ISO pump wet cup or reservoir (if
installed) filled with appropriate lubricant. The
lubricant creates a barrier between the ISO and
the atmosphere.
• Use only moisture-proof hoses compatible with
ISO.
• Never use reclaimed solvents, which may
contain moisture. Always keep solvent
containers closed when not in use.
• Always lubricate threaded parts with an
appropriate lubricant when reassembling.
NOTE: The amount of film formation and rate of
crystallization varies depending on the blend of ISO,
the humidity, and the temperature.
Chang
ing Materials
NOTIC
E
Changing the material types used in your
equipment requires special attention to avoid
equipment damage and downtime.
•When
changing materials, flush the equipment
mul
tiple times to ensure it is thoroughly clean.
•Alw
ays clean the fluid inlet strainers after
flus
hing.
•Che
ck with your material manufacturer for
che
mical compatibility.
•Wh
en changing between epoxies and urethanes
or
polyureas, disassemble and clean all fluid
co
mponents and change hoses. Epoxies often
ha
ve amines on the B (hardener) side. Polyureas
of
tenhaveaminesontheA(resin)side.
332709B 9
Troubleshootin
g
Troubleshooting
NOTE: Check all possible remedies before disassembling the system.
System Troubleshooting
Problem
Cause Solution
Inadequate power supply.
See Technical Data, page 61.
Power switch is off.
Turn switch on.
Main power is shut off.
Turn main power switch on.
Exhausted fluid supply. Refill and reprime pump.
Clogged fluid outlet line, valves,
etc.
Clear.
Unit will not operate.
Fluid dried on piston rod. Disassemble and clean pump.
See pump manual. In future, stop
pump at bottom of stroke.
Inadequate power supply.
See Technical Data, page 61.
Exhausted fluid supply. Refill and reprime pump.
Clogged fluid outlet line, valves,
etc.
Clear.
Pump output low on both strokes.
Worn piston packings.
Replace. See pump manual.
Held open or worn dosing valves.
Check and repair. See pump
manual.
Pump output low on only one
stroke.
Worn piston packing.
Replace. See pump manual.
No output. Improperly installed dosing valves.
Check solenoid connections to
valves. See pump manual.
Exhausted fluid supply. Refill and reprime pump.
Held open or worn dosing valves.
Check and repair. See pump
manual.
Pump operates erratically.
Worn piston packing.
Replace. See pump manual.
10 332709B
Troubleshootin
g
Error Code Tro
ubleshooting
System errors alert you of a problem and help
prevent off-ratio spraying. There are three types:
Advisory, Deviation, and Alarm.
An Advisory r
ecords an event in the system, and will
clear itself
after 60 seconds.
A Deviation records an error in the system but does
not shut down the equipment. The deviation must be
acknowledged by the user.
If an Alarm occurs, operation stops.
If any of th
e three types occur:
• Alarm buzzer sounds (unless in silent mode).
• Alarm popup screen shows the active alarm code.
• Status bar on the Advanced Display Module shows
the active alarm code.
• Alarm is saved in the date/time stamped log.
NOTE: When an error occurs be sure to determine
the code before resetting it. If you forget which code
occurred, the Errors screen displays the 200 most
recent errors, with date, time, and description.
NOTE: In some
error codes listed below, a # symbol
is shown as th
e last digit. This symbol represents the
applicable
pump number, which can vary. The unit’s
display wil
l show the applicable pump number as the
last digit i
n the code.
Code
Type Description Problem
Cause Solution
B9A0 Advi-
sory
Volume
Rollove
rA
Current
Batch counter for
material A rolled over.
The tota
lizer has
reached
maximum
capable
value and
starte
doveratzero.
n/a
B9AX Advi-
sory
Volume
Rollover A
Lifetime
Grand total counter for
material A rolled over.
The totalizer has
reached maximum
capable value and
started over at zero.
n/a
B9B0 Advi-
sory
Volume
Rollover B
Current
Batch
counter for
mater
ial B rolled over.
The totalizer has
reached maximum
capable value and
started over at zero.
n/a
B9BX Advi
-
sory
Volu
me
Roll
over B
Life
time
Grand total counter for
material B rolled over.
The t
otalizer has
reac
hed maximum
capa
ble value and
star
ted over at zero.
n/a
B9D#
Advi-
sory
Volume
Rollover
Pump #
Grand total counter for
pump # rolled over.
The totalizer has
reached maximum
capable value and
started over at zero.
n/a
332709B
11
Troubleshootin
g
Code
Type Description Problem
Cause Solution
B9S0
Advi-
sory
Volume
Rollover
Solvent
Current
Batch counter
for
solvent rolle
dover.
The totalizer has
reached maximum
capable value and
started over at zero.
n/a
B9SX
Advi-
sory
Volume
Rollover
Solvent
Lifetime
Grand total counter for
solvent rolled over.
The totalize
r has
reached maxi
mum
capable valu
eand
started over
at zero.
n/a
CAC#
Alarm
Comm.
Error Color
Change #
System does not detect
the Color Change
Module #.
This communication
error indicates that
the network has lost
communication with
the Color Change
Module #.
Check CAN cable
connections to
the Color Change
Module # and any
interconnected
modules.
CA0X
Alarm
Comm.
Error ADM
System does not detect
the Advanced Display
Module.
This comm
unication
error ind
icates that
the Netwo
rk has lost
communic
ation with
the Adva
nced Display
Module.
Check CAN cable
connecting ADM to the
EFCM.
CADX
Alarm
Comm.
Error Fluid
Module
System does not
detect the Enhanced
Fluid Control Module
(EFCM).
This communication
error indicates that
the Network has lost
communication with
the EFCM.
Check CAN cables
connecting ADM to
the EFCM. Replace
Cable or EFCM as
necessary.
CDC#
Alarm Duplic
ate
Color
Chang
e#
System detects two or
more identical Color
Change Modules.
More than one Color
Change Module with
the same address
is connected in the
system .
Check the system
and remove the extra
color change module.
Re-address one of the
color change boards.
1
2
332709B
Troubleshootin
g
Code
Type Description Problem
Cause Solution
CDDX
Alarm Duplicate
Fluid
Module
System sees tw
o
or more identi
cal
Enhanced Flui
d
Control Modul
es
EFCM).
More than one E
FCM
is connected i
nthe
system.
Check the syst
em
and remove the
extra
EFCM.
System has a leak
or open valve that is
allowing unrestricted
flow.
Inspect system for
leaks.
Pump is cavi
tating,
cycling wi
thout
restricti
on.
Verify that the pump
is being supplied with
material.
DA0#
Alarm Exceeded
Max Flow
Pump #
Pump was driven to
its maximum allowed
speed.
Viscosit
y of material is
too thin f
or nozzle size.
Reduce nozzle size
to create more
restriction. Reduce
paint pressure to lower
the flow rate.
No mater
ial in the
pump or l
ine.
Make sur
e the pump
and down
stream color
line are
loaded with
materi
al.
DE0#
Alarm Leak
Detecte
d
Pump #
This is a
manual stall
test fai
lure when the
pump can
not build
pressur
etothetarget
“Stall
Test Pressure.”
Will fa
ult after 30
second
s.
Leak in the system.
Determine if leak is
external or internal
by visually inspecting
the system for fluid
leakage. Fix all loose
or worn hoses, fittings,
and seals. Inspect
all valve seats and
needles for wear, and
replace worn piston or
throat seals.
DF0#
Alar
m
No Stall Up
Pump #
Pump failed the stall
test; did not stall on the
upstroke.
Valve failure, seal
failure, worn rod or
cylinder.
Repl
ace inlet and
out
let valve and
sea
l for up stroke.
Rep
lace piston and
thr
oat seals. Replace
rod
and cylinder as
ne
cessary.
332709B 13
Troubleshootin
g
Code
Type Description Problem
Cause Solution
DG0#
Alarm
No Stall
Down
Pump #
Pump failed th
estall
test;didnots
tall on the
downstroke.
Valve failure
,seal
failure, worn
rod or
cylinder.
Replace inlet and
outlet valve and seal
for down stroke.
Replace piston and
throat seals. Replace
rod and cylinder as
necessary.
DH0#
Alarm
No Stall
Pump #
Pump failed the stall
test; did not stall on
either the upstroke or
the downstroke.
Valve failure, seal
failure, worn rod or
cylinder.
Replace inle
t and
outlet valv
e and seal
for up and do
wn
strokes. Re
place
piston and t
hroat
seals. Rep
lace
rod and cyl
inder as
necessary
.
DK0#
Alarm Position
Pump #
The pump was
detected to be out
of position.
Re-enable pump
power to reset pump.
Make sure inlet supply
pressure is not too
high.
EAUX Advi-
sory
USB Busy USB driv
e has been
inserte
d, download is
in progr
ess.
Indicat
es USB port
is uploa
ding or
downloa
ding data.
Wait for
USB Idle.
EB00 Record
Stop
Button
Pressed
Recordofastopbutton
press.
Indicates system stop
key on ADM was
pressed.
n/a
EBH#
Recor
d
Home
Compl
ete
Pump #
Record of pump
homing is complete.
An ind
ication on the
displ
ay that the pump
compl
eted the home
funct
ion
No act
ion required.
EBUX Record
USB
drive was
removed.
USB drive was
removed while
downloading or
uploading.
Downloading/upload-
ing data on USB was
interrupted by the USB
device being removed.
Replace the USB
device and begin
process again.
EC00
Rec
ord
Setup
Value(s)
Changed
Record of changing
setup variables.
Ind
icates date and time
whe
n setup values
wer
e changed.
n/a
1
4
332709B
Troubleshootin
g
Code
Type Description Problem
Cause Solution
Pump dose valves did
not actuate.
Verify air pre
ssure
to solenoid va
lves.
Verify the val
ves are
actuating.
Motor could not drive
pumps and linear
actuator.
Verify motor is driving
the pump.
EF0#
Alarm Timeout
Startup
Pump #
Pump tried but was not
able to move to the
home position within
a specified amount of
time.
Pump stroke length
is shortened by
mechanical system
tolerance.
Verify corr
ect
assembly of
linear
actuator an
d pump
piston rod
s. See pump
manual.
Pump dose valves did
not actuate.
Visually inspect valves
to ensure they are
operating properly;
verify they have air
pressure above 85 psi
(0.6 MPa, 6.0 bar).
EF1#
Alarm Timeout
Shutdown
Pump #
Pump tried but was not
able to move to the
park position within a
specified amount of
time.
Pump is fi
lled with
thick pa
int and could
not driv
epistonto
end of s
troke. Motor
or driv
eiswornor
damage
d.
Observe
motor and
drive as
sembly to
verify t
hat the motor is
genera
ting force.
EL00 Record
System
Power On
Record of power cycle
(ON).
Indicates date and
time when system was
started.
n/a
EM00 Record
Syst
em
Powe
rOff
Reco
rd of power cycle
(OFF
).
Indicates date and
time when system was
turned off.
n/a
EMIX Advi
-
sory
Pump Off
The p
umps are not
powe
red and are
unab
le to move.
Pump
power was
turn
ed off or an error
occu
rred.
Start pumps by
pressing pump start
key on Advanced
Display module.
EQU
0
Advi-
sory
USB
Idle
USB
download
pr
ocess completed,
dr
ive may be removed.
Dat
atransferis
co
mpletedtotheUSB
de
vice.
Rem
ove USB device
fr
om ADM.
EQU1
Record
USB Sys.
Settings
Down-
loaded
Settings were
downloaded to USB
drive.
User installed USB
device in ADM USB
port.
n/a
332709B 15
Troubleshootin
g
Code
Type Description Problem
Cause Solution
EQU2
Record
USB Sys.
Settings
Uploaded
Settings were
uploaded from
USB
drive.
User installe
dUSB
device in ADM U
SB
port.
n/a
EQU3
Record
USB Cus-
tom Lang.
Down-
loaded
Custom Language was
downloaded to USB
drive.
User installed USB
device in ADM USB
port.
n/a
EQU4
Record
USB
Custom
Lang.
Uploaded
Custom Language was
uploaded from USB
drive.
User installed USB
device in ADM USB
port.
n/a
EQU5
Record
USB Logs
Down-
loaded
Data logs were
downloaded to USB
drive.
User inst
alled USB
device in
ADM USB
port.
n/a
ES00
Advi-
sory
Factory
Defaults
Record of defaults
being loaded.
n/a
EVUX Advi-
sory
USB
Disabled
USB drive has been
inserted, downloading
is disabled.
Configuration of
system is blocking
data transfer.
Change configuration
to enable USB
download function.
There is a restriction
on the outlet side of the
pump or color stack.
Make sure there are
no restrictions in the
color stack and that
thedumpvalveis
actuating.
F1F#
Alarm Flow Low
Fill Pump #
There has been no/low
flow during a fill pump
operation.
Thic
k viscosity
pain
t requires more
pres
sure to pump.
Incr
ease non-mix
pres
sure if necessary
to cr
eate flow during
the fi
ll function.
F1S#
Alarm Flow Low
Purge
Pump #
There has been no flow
or low flow during a
pump purge operation.
Restriction in the outlet
side of the pump or
color stack resulting in
the solvent flow being
too low.
Make sure there are
no restrictions in the
system. Increase
non-mix pressure if
necessary to create
flow during the purge
function.
F6
F#
Alarm Press.
Sens.
Removed
Inlet #
No inlet pressure
transducer is detected
when the system is
expecting one.
Disconnected
transducer.
Ve
rify transducer
is
connected
p
roperly. Replace if
r
econnecting does not
e
liminate the alarm.
16 332709B
Troubleshootin
g
Code
Type Description Problem
Cause Solution
F7D#
Alarm Flow
Detected
Pump #
Thepumpflow
exceeded 20 cc
/min
flow coming int
oIdle
mode.
There is a leak in the
system or the gun was
open when the system
went into Idle mode.
Verify there a
re no
leaks in the sy
stem.
Make sure the a
ir flow
switch is actu
ating
properly. Do
not
trigger the g
un without
atomizing ai
r.
Solvent flow switch is
stuck in flow position.
Clean or replace
switch.
F7S1
Alarm Flow
Detected
Solvent
Gun
One of the solvent flow
switches is indicating
unexpected solvent
flow.
There is a le
ak through
the solven
t cutoff
valve.
Check for leaks and
repair valve.
The EFCM is
damaged.
Unplug both
connectors on the
EFCM.Ifalarmclears,
replace the EFCM.
F7S2
Alarm Flow
Detected
Solvent Mix
The system detects
both solvent flow
switches open at the
same time.
One or bo
th of the
solvent
flow switches
are stuc
kintheflow
positio
n.
Clean or
replace
switch.
Restriction in the outlet
side of the pump or
color stack.
Make sure there are
no restrictions in the
system.
F8D1 Alarm Flow Not
Detected
No Flow while mixing.
Targe
tflowrateisset
to zer
o.
Set a t
arget flow rate.
F9D#
Alarm Flow
Unstable
Pump #
Thepumpflowrate
did not stabilize while
entering Idle mode.
Potential leak in the
system.
Check the system for
leaks and run manual
stall test.
MMUX Advi
-
sory
Maint. USB
Logs Full
USBmemoryismore
than 90% full.
Configuration
parameter on system
is enabled to generate
this advisory.
Complete download to
ensure no data is lost.
P1
F#
Alarm Pressure
Low Inlet
Pump #
The inlet pressure on
pump # is less than
the user-entered alarm
limit.
Increase inlet
pressure.
P2F#
De
via-
ti
on
Pr
essure
Lo
wInlet
P
ump #
Th
e inlet pressure on
pu
mp # is less than the
u
ser-entered deviation
l
imit.
In
crease inlet
pr
essure.
P3D#
Devia-
tion
Pressure
High Outlet
Pump #
The outlet pressure
on pump # is greater
than the user entered
deviation limit.
Relieve system
pressure.
332709B
17
Troubleshootin
g
Code
Type Description Problem
Cause Solution
P3F#
Devia-
tion
Pressure
High Inlet
Pump #
The inlet pressure
on pump # is greater
than the user-entered
deviation limit.
Decrease inlet
pressure.
P4D#
Alarm Pressure
High Outlet
Pump #
The outlet pr
essure on
pump # is grea
ter than
the user ente
red alarm
limit.
Relieve syst
em
pressure.
P4F#
Alarm Pressure
High Inlet
Pump #
The inlet pressure on
pump # is greater than
the user-entered alarm
limit.
Decrease inlet
pressure.
P6D#
Alarm Press.
Sens.
Removed
Outlet #
No outlet pressure
transducer is detected
when the system is
expecting one
Disconnected
transducer.
Verify tra
nsducer
is connect
ed
properly
. Replace if
reconnec
ting does not
eliminat
e the alarm.
P9D#
Alarm Press.
Sens.
Failed
Outlet #
Outlet pressure
transducer has failed.
Outlet pressure
transducer has failed
orthepressureis
above the readable
range.
Relieve system
pressure. Verify
connections, or
replace if reconnecting
does not eliminate the
alarm.
P9F#
Alarm Press.
Sens.
Failed Inlet
#
Inlet pressure
transducer has failed.
Inlet pressure
transducer has failed
orthepressureis
above the readable
range.
Relieve system
pressure. Verify
connections, or
replace if reconnecting
does not eliminate the
alarm.
There
isaleakonthe
Bside
.
Check the system
for internal and
external leaks on
all catalyst manifolds
and plumbing.
QADX
Alarm
Differential
Pressure A
Over B
Low differential
pressure. This alarm is
active only during Mix
mode.
The B side pump is
cavitating.
Che
ck paint supply on
the
B side, increase
pai
nt supply pressure.
There is a leak on the
Aside.
Check the system
for internal and
external leaks on
all color manifolds and
plumbing.
QBDX
Alarm
Differential
Pressure B
Over A
High differential
pressure. This alarm is
active only during Mix
mode.
T
he A side pump is
c
avitating.
Check paint supply on
the A side, increase
paint supply pressure.
18 332709B
Troubleshootin
g
Code
Type Description Problem
Cause Solution
Purge process was not
completed.
Make sure purge
process is completed.
QPD1
Devia-
tion
Potlife
Expired
Potlife time h
as
expired befor
ethe
system has mov
ed
the required a
mount
of material (
potlife
volume) thro
ugh the
mixed materi
al line.
Solvent supply shut off
or empty.
Verify solvent supply
is available and on,
supply valves are
open.
Mix manifold not set to
spray position.
Set manifold to spray.
Spray gun was not
triggered.
Allow flow through gun
during fill process until
the fill complete LED
stops flashing.
Restrictions in mixer,
manifold, or spray gun.
Fix restrictions.
SND1
Alarm Mix Fill
Incomplete
The system timed out
before the mix fill cycle
loaded the gun with
mixed material.
Target flow rate is set
to zero.
Set a target flow rate.
Solven
t flow switch not
workin
g.
Replace switch.
Solvent flow is too low
to actuate the solvent
switch.
Increase solvent
pressure to drive a
high purge flow rate
Gun is not triggered. Operator must
continue flushing
for configured time,
until the booth control
indicates purge is
completed.
SPD1
Alarm
Gun Pur
ge
Incomp
lete
The system timed out
without reaching the
user-specified volume
of solvent for a purge.
Valve stuck or broken. Replace valve.
WSUX
Adv
i-
sor
y
USB
Config. Err.
USB configuration
file does not match
expected, checked on
startup.
A software update
was not completed
successfully.
Reinstall software.
WX00 Alarm
So
ftware
E
rrors
An unexpected
software error has
occurred.
Ca
ll Graco Technical
S
upport.
W
XUD
A
dvi-
s
ory
USB
Download
Err.
A
n error occurred
w
hile downloading to
t
he USB drive.
U
ser installed
i
ncompatible USB
d
evice in ADM USB
p
ort.
R
epeat process with
c
ompatible USB
d
evice.
WXUU Advi-
sory
USB
Upload Err.
An error occurred
while uploading from
the USB drive.
User installed
incompatible USB
device in ADM USB
port.
Repeat process with
compatible USB
device.
332709B 19
Troubleshootin
g
Maintenance Error Codes
Perform the re
quired maintenance if the following codes occur.
Code
Type Name Description
END#
Record
Calibration P
ump #
A calibration test was run on the pump.
ENS0
Record
Calibration Solvent
Meter
A calibration test was run on the solvent meter.
ENT#
Record
Calibration Stall Test
Pump #
A stall test was completed successfully on pump #.
MAD#
Advisory
Maint. Out
let Pump #
Maintenance is due on pump.
MAT#
Advisory
Maint. Stall Test
Pump #
Maintenance stall test is due on pump.
MEB#
Advisory
Maint. Valve Catalyst
(B) #
Maintena
nce is due on catalyst valve.
MED#
Advisory
Maint. V
alve Outlet #
Maintenance is due on outlet valve.
MEF#
Advisory
Maint. Valve Inlet #
Maintenance is due on inlet valve.
MEG#
Adviso
ry
Maint. Valve Gun #
Mainte
nance is due on gun valve.
MES#
Advisory
Maint
.ValveSolvent
#
Maintenance is due on solvent valve.
MFF#
Advisory
Maint. Meter Flow # Maintenance is due on flow meter.
MFS0
Advi
sory
Maint. Meter Solvent
Main
tenance stall test is due on solvent meter.
MGH
0
Advisory Maint. Filter Fluid
Mai
ntenance is due on fluid filter.
MGP0
Advisory Maint. Filter Air
Maintenance is due on air filter.
20 332709B
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