Midea WQP6-3603A Technical Service Manual page 21

Defective flowmeter.
Clogged filter assembly.
Water siphons out
Dishwasher runs Defective door switch contacts.
with door open. Defective door lock assembly.
Damaged or defective wiring.
Defective PCB assembly
Motor hums but Defective motor bearings.
will not start or run. Defective motor capacitor.
Damaged or defective wiring.
Improper motor voltage.
Motor trips out on Motor windings shorted.
internal thermal Improper motor voltage.
overload protector
Defective motor capacitor.
Defective motor bearings.
Repeated
Defective PCB assembly
dishwasher cycles.
Water remains in
A small amount of water (in sump area)
bottom
is normal.
Defective drain pump
Defective Check plate
Defective One way valve
Spotting or filming Detergent allowed to stand too long in
on the dispenser or excessive amounts of
glasses (reposition detergent are being used.
of
food soil).
Improper loading of dishes, pots,
pans, and nesting of silverware.
Noisy pump Debris in bottom of tub sump area.
assembly.
Pump parts were not properly installed.
Impellers are not properly shimmed or
are rubbing.
Poor washability. Clogged filter assembly.
Dishware stop the sprayer
Improper loading of dishes, pots, pans,
and nesting of silverware.
Little detergent/rinse module
Select improper program
Defective detergent/rinse module
Defective spray arm.
Too little water fill.
Defective motor pump
Poor drying of Improper loading of dishes, pots, pans,
dishes and nesting of silverware.
Select improper program
Defective dispenser
Too much water fill.
Water leaks from
Defective drain pump
Lave vaisselle ELVC 491B
21
Replace the air breaker
Clean the filter assembly.
Clean or Replace the air breaker
Replace the door switch.
Replace the door lock assembly.
Repair the wiring.
Replace the PCB assembly
Replace the motor.
Replace the motor capacitor.
Repair the wiring.
Replace the motor.
Replace the motor.
Replace the motor.
Replace the motor capacitor.
Replace the motor.
Replace the PCB assembly
This is necessary to keep the pump primed and is
drained automatically at the beginning of each
cycle.
Replace the drain pump.
Clean or Replace the Check plate
Clean or Replace the air breaker
Instruct the customer on proper use of dishwasher
detergent. Refer to the owner's manual.
Clean out the sump area.
Inspect the pump and correct and installation
errors.
Use the shim guage furnished in the impeller seal
kit. When the seal is properly shimmed the
impellers will be in the correct operating position.
Clean the filter assembly.
revolve the sprayer before wash.
Refer to the owners manual.
Replace the etergent/rinse module.
Check spray arm for proper rotation.
See "Too little water fill" symptom.
Replace the motor pump
Instruct the customer on proper loading of the
dishwasher. Refer to the owners manual.
Replace the dispenser
See previous symptom.
Replace the drain pump