ERROR CODE TABLE
OFF: BLINKING:
Meaning Display
No Communication
to Main Board
FZ Cavity
Temp Sensor
(FZ Temp Display)
FZ Evaporator
Temp Sensor
(FZ Temp Display)
FZ Ice Maker
Temp Sensor
(FZ Temp Display)
FF Cavity
Temp Sensor
(FF Temp Display)
SYSTEM DIAGNOSTIC MODE
Activate
Press and hold Refrigerator Temp and Water Filter until you hear a beep (10 sec.).
Upon entering the diagnostic mode all loads will be turned o and the damper closed. Press
Water Filter to advance through tests. Loads that are turned on will turn o when advanced to the next
test.
Deactivate
It will exit automatically after 10 min. of inactivity. To manually exit, press and hold Refrigera-
tor Temp and Water Filter until you hear a beep (10 sec.) The unit will restart and resume the
previous temp settings.
Legend
LED OFF: LED ON: LED BLINKING:
Test
Sequence
LED
Sequence
Test
Activation/
Deactivation
Test Description
1
LEDs Test 1
Activates
Automatically
All User Interface LEDs
(10 temp setting LEDs, 6 filter LEDs on side
UI, 4 mode LEDs, and 5 alarm LEDs on front
UI) will turn ON.
2
LEDs test 2
All User Interface LEDs
(10 temp setting LEDs and 6 filter LEDs on
side UI, 4 mode LEDs, and 5 alarm LEDs on
front UI) will turn OFF.
3
Defrost
Heater
Press and
release
Air Filter to
turn on/o
The Freezer Temp Cold LED will be ON or OFF
to indicate if the load is on or o at that time.
The heater will turn o after 5 minutes or if the
Evaporator Temp Sensor is above 45°C (113°F).
4
Cube
Solenoid
Freezer Temp Cold LED will be ON or OFF to
indicate if the load is on or o at that time.
Note: Should be able to hear relay engage
behind front UI.
5
Condenser
Fan
Freezer Temp Cold LED will be ON or OFF to
indicate if the load is on or o at that time.
6
Ice Maker
Water Valve
Press and
release
Air Filter to
turn on/o
Freezer Temp Cold LED will be ON or OFF to
indicate if the load is on or o at that time.
Note: Water valve will automatically turn o
after 10 seconds.
7
Cavity Lights
Press and
release Air
Filter to turn
on/o
Freezer Temp Cold LED will be ON or OFF to
indicate if the load is on or o at that time.
Note: The Fresh Food and Freezer cavity
lights will turn on together.
8
Evaporator
Fan
Press and
release Air
Filter to change
the fan state.
Fan runs at 3
speeds: OFF,
SLOW, FAST
Freezer Temp Cold LED OFF indicates fan is OFF.
Freezer Temp Cold LED blinking
indicates fan speed is SLOW.
Freezer Temp Cold LED ON
indicates fan speed is FAST.
Freezer Temp Cold LED will blink fast with 2
seconds between blinks for Fan Error
(pin unplugged or overpower).
9
VSC
Compressor
Press and
release
Air Filter to
turn on/o
Freezer Temp Cold LED will be ON or OFF to
indicate if the load is on or o at that time.
10
Dispenser
Lights
11
Fill Tube
Heater
12
Damper
Replace Air Filter LED will blink slowly
(on 1.5 second, o 1.5 second, etc.)
while damper opens/closes.
Freezer Temp Cold LED will turn ON and
stay on if damper fully opens.
Freezer Temp Cold LED will turn OFF and
stay o if damper fully closes.
13
Ice Maker
Twist Tray
Freezer Temp Cold LED will turn ON.
Freezer Temp Cold LED will turn OFF
when output is turned on.
Replace Air Filter LED will blink slowly
while the tray is moving.
Freezer Temp Cold LED will turn ON
when twist operation is complete.
14
Ice Maker
Bail Arm
Freezer Temp Cold LED will turn ON.
Hold Bail Arm up before activating the load
to simulate a full bucket.
Freezer Temp Cold LED will turn OFF when
output is turned on and Replace Air Filter
LED will blink slowly while arm is moving.
Freezer Temp Cold LED will stay OFF
indicating a full bucket.
Release bail arm before activating the load to
simulate an empty bucket.
Freezer Temp Cold LED will turn OFF when
output is turned on and Replace Air Filter
LED will blink slowly while arm is moving.
Freezer Temp Cold LED will turn ON
indicating an empty bucket.
SYSTEM DIAGNOSTIC MODE
Legend
LED OFF: LED ON: LED BLINKING:
Test
Sequence
LED
Sequence
Test
Activation/
Deactivation
Test Description
15
Door Switch
Open/Close
FZ Door or
use magnet to
simulate Open/
Closed
FZ Door, sensor
located on side
UI behind Water
Filter Order
LED
Freezer Temp Cold LED will turn OFF and
stay o if door is closed/magnet is on sensor.
Freezer Temp Cold LED will turn on and stay
on if door is open/magnet is o sensor.
16
Fresh Food
Temperature
Sensor
Activates
Automatically
Freezer Temp Cold LED will turn ON and stay
on if the fresh food sensor is good.
Freezer Temp Cold LED will blink fast
(on 0.5 second, o 0.5 second, etc.)
if sensor is shorted.
Freezer Temp Cold LED will blink slowly
(on 1.5 second, o 1.5 second, etc.)
if sensor has an open circuit.
17
Freezer
Temperature
Sensor
18
Ambient
Temperature
Sensor
Freezer Temp Cold LED will turn ON and stay
on if the ambient sensor
(on the main board) is good.
Freezer Temp Cold LED will blink fast
(on 0.5 second, o 0.5 second, etc.)
if sensor is shorted.
Freezer Temp Cold LED will blink slowly
(on 1.5 second, o 1.5 second, etc.)
if sensor has an open circuit.
19
Evaporator
Temperature
Sensor
Freezer Temp Cold LED will turn ON and stay
on if the evaporator sensor is good.
Freezer Temp Cold LED will blink fast (on 0.5
second, o 0.5 second, etc.) if sensor is shorted.
Freezer Temp Cold LED will blink slowly
(on 1.5 second, o 1.5 second, etc.)
if sensor has an open circuit.
20
Ice Maker
Temperature
Sensor
Freezer Temp Cold LED will turn ON and stay
on if the ice maker sensor is good.
Freezer Temp Cold LED will blink fast (on 0.5
second, o 0.5 second, etc.) if sensor is shorted.
Freezer Temp Cold LED will blink slowly
(on 1.5 second, o 1.5 second, etc.)
if sensor has an open circuit.
21
LEDs test 3
The Refrigerator Temp setting LEDs will blink
ON and OFF one at a time in sequence.
Note: Only the Refrigerator Temp LEDs will blink.