Midea WQP6-3207A, Technical Service Manual, Page: 22 / 23

SYMPTOM CHECK FOR THE FOLLOWING REMEDY
3 in 1 lamp
twinkle
（
Dishwasher
will not fill with
water or will not
fill properly.
）
The water supply is turned off. Turn the water supply on.
Defective water fill valve. Replace the water fill valve.
Low water pressure. Minimum water pressure of 20 PSI.
Obstructed water fills valve or hose.
Disassemble and clean the water fill valve and
hose.
Damaged or defective wiring. Repair the wiring.
Defective pressure switch for high water
level safeguard.
Replace the pressure switch.
Defective flowmeter. Replace the flowmeter
Heavy water usage elsewhere in home.
Use dishwasher when water usage is at a
minimum.
Defective PCB assembly Replace the PCB assembly
Dishwasher will
not
pump out.
Defective drain pump. Replace the drain pump.
Obstructed drainhose check the drainhose
Defective PCB assembly Replace the PCB assembly
Damaged or defective wiring. Repair the wiring.
Dishwasher
runs but. will not
heat. Low input voltage. The lowest input voltage is 198V
Defective Thermal resistor Replace the Thermal resistor
Damaged or defective wiring. Repair the wiring.
Too little water fill. See “Too little water fill.”
Defective micro-switch of heater elements
support assembly.
Replace the heater elements support assembly.
Defective heater element. Replace the heater element.
Defective PCB assembly Replace the PCB assembly
Glass lamp
twinkle
（
overfall
alarm
）
Defective micro-switch for overfall
safeguard Replace the micro-switch
Damaged or defective wiring. Repair the wiring.
Defective PCB assembly Replace the PCB assembly
Water leaks from dishwasher. See “Water leaks from dishwasher”
Do not work
when press
start The door not close well close the door
Defective door switch contacts. Replace the door switch.
Defective door handle assembly. Replace the door handle assembly.
Damaged or defective wiring. Repair the wiring.
Defective PCB assembly Replace the PCB assembly
Too little water
fill. Dishwasher not level. Level the dishwasher.
Defective flowmeter. Replace the flowmeter
Clogged filter assembly. Clean the filter assembly.
Water siphons out Clean or Replace the One way valve
Defective pressure switch. Replace the pressure switch.
Dishwasher
runs with door
open. Defective door switch contacts. Replace the door switch.
Defective door handle assembly. Replace the door handle assembly.
Damaged or defective wiring. Repair the wiring.
Defective PCB assembly Replace the PCB assembly
Motor hums but
will not start or
run.
Defective motor bearings. Replace the motor.
Defective motor capacitor. Replace the motor capacitor.
Damaged or defective wiring. Repair the wiring.
Improper motor voltage. Replace the motor.
Motor trips out
on internal
thermal
overload
protector Motor windings shorted. Replace the motor.
Improper motor voltage. Replace the motor.
Defective motor capacitor. Replace the motor capacitor.
Defective motor bearings. Replace the motor.
Repeated
dishwasher
Defective PCB assembly Replace the PCB assembly
Troubleshooting