Haier ESD 400 Series User manual

Category
Dishwashers
Type
User manual

This manual is also suitable for

HAIER
ESD 300 and 400 Series
“Tall Tub”
UNDERCOUNTER
DISHWASHER
Machine Compartment
Service
Additional Service Programs include:
Door Components
Diagnostics
Pump Module Components
MACHINE COMPARTMENT
Wash Pump
assembly
Drain Pump
Assembly
Fill Valve
Electrical connection
Heater
Water temperature
thermistor
High Limit
Thermostat
Float switch
FRONT
MACHINE COMPARTMENT
Wash Pump
assembly
Drain Pump
Assembly
Notice
The drain pump and wash
pump assemblies are covered
in detail in the
Pump Module Service training
program.
Component diagnostics are
covered in the
Diagnostics training program.
MACHINE COMPARTMENT
Float and Float Switch
Dishwasher has a
time fill with a float
safety switch.
Water fill cycle is
90 seconds.
Float is held in place
with the float switch
cover
MACHINE COMPARTMENT
Float and Float Switch
Safety switch is encased in a plastic housing.
Float Switch front view
MACHINE COMPARTMENT
Float and Float Switch
Open the safety switch housing by releasing clips
and pulling door forward.
Float Switch front view
MACHINE COMPARTMENT
Float and Float Switch
Float safety switch
Float is secured from lifting out when
float switch cover is closed holding the
stem end within the cover.
Float stem properly
located on switch arm.
DIAGNOSTICS
Float Safety Switch
Float Safety Switch is
Normally Open
Switch CLOSED
in this position
NC
NO
MACHINE COMPARTMENT
Float and Float Switch
Replace the float switch housing by opening cover and
releasing the float. Then unscrew nut inside of tub.
MACHINE COMPARTMENT
Water Temperature Thermistor
Water temperature is monitored with a thermistor
mounted in the bottom of the pump housing.
MACHINE COMPARTMENT
Water Temperature Thermistor
Be careful to mount the o-ring on the
thermistor when replacing.
Do not over-tighten screws.
NTC Thermistor
(negative temperature coefficient)
1380 ohms @ 70°F
780 ohms @ 90°F
approximate
MACHINE COMPARTMENT
Heater
Heater is held in place with insulating towers.
Unscrew the tower and remove the heater
from inside of the tank.
MACHINE COMPARTMENT
High Limit Thermostat
The High Limit Thermostat is held in place
with a flat spring type bracket holding it
firmly against the bottom of the tank.
Do not cut the tie strap when removing.
MACHINE COMPARTMENT
Turbidity Sensor
The Turbidity Sensor is an optical device
that senses the degree soil in the water in
the pump housing. High amounts of soil
extend the pre-wash cycle.
Be certain o-ring is in place when
replacing sensor.
Do not over tighten screws.
MACHINE COMPARTMENT
Drain Loop and Water Inlet
The dishwasher is equipped with an anti-
siphon drain loop on the left side of the tank.
The water inlet to the tank is
mounted on the left side of the
tank above the fill valve.
MACHINE COMPARTMENT
Door Hinge
The door hinge uses a rope-cable over
rollers and a spring for tension.
HAIER
This completes the
Machine Compartment
training
for the
ESD 300 and 400 Series
“Tall Tub”
UNDERCOUNTER
DISHWASHER
Other sections include:
Door – Diagnostics
and
Pump Module
HAIER
ESD 300 and 400 Series
“Tall Tub”
UNDERCOUNTER
DISHWASHER
Pump Module
Components
Additional Service Programs include:
Door Components
Diagnostics
Machine Compartment Components
PUMP MODULE SERVICE
Wash Pump
assembly
In order to service the wash pump, the drain
pump must be removed before removing the
main pump assembly.
Drain Pump
Assembly
DRAIN PUMP SERVICE
NO NEED TO
REMOVE
Drain Hose
The Drain Pump can be serviced in place
without removing the pump module
Drain Pump
Assembly
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Haier ESD 400 Series User manual

Category
Dishwashers
Type
User manual
This manual is also suitable for

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