Midea WQP8-B9252 User manual

Shunde Midea Dishwasher Manufacturing Co.,Ltd.

Chapter InsⅠtallation-------------------------------------------------------------1
1.1 Safety Instruction------------------------------------------------------- 1
1.2 Installation Instruction--------------------------------------------------- 2
Chapter Maintenance----------------------------------------------------------- 3
2.1 Foreword--------------------------------------------------------------3
2.2 Troubleshooting-------------------------------------------------------- 3
2.3 Note------------------------------------------------------------------6
2.4 Attached drawings-------------------------------------------------------6
Electric diagram-------------------------------------------------------- 7
Connection diagram----------------------------------------------------- 8
Ⅱ
After unpacking, the appliance should be checked to see if there is any damage to it.
The dishwasher is intended to wash dishes and plates by adults.
When using the dishwasher , some basic principals should be followed:
1) Extended power cord and adaptor should not be used.
2) The power cord should not be too long or knotted.
3) Switch off the power before making any repair of the dishwasher.
Children should be kept away from the detergent and the opened dishwasher.
Then dishwasher should not be installed in an unsheltered place or exposed to the rain or other
natural environment.
Never touch the heating element during or immediately after use.
The dishwasher should not be lean on or sit on when it is open, otherwise it will be overturned.
If the dishwasher malfunctions, turn off the water inlet and cut off the power before you read the
instruction of Chapter . If the problems cannot be solved by yourself, please contact the
professional technicians.
The dishwasher could not be repaired by unprofessional personnel with non-original spare parts.
It is recommended that if the dishwasher will not be used for a long time, it should be cut off the
water inlet, remove the plug and keep the door of dishwasher ajar.
1.1 Safety Instruction
Ⅱ
1

2
1.2 Installation Instruction
Unpacking
1) Removing the packing accessories, please pay attention that the plastic bag should be out of the
reach of children.
2) Open the door of the dishwasher to check the baskets are placed in the proper place
(manufactures may fix the baskets by some simple ways for the sake of safety).
Locate the dishwasher
1) The dishwasher should be kept away from heating resources and not be exposedtothesunto
prevent its coating from fading or falling off.
2) The back of the dishwasher should rest against the wall behind it and the sides, along the
adjacent cabinets or wall. The water supply and drain hose of the dishwasher could be positioned to
the right of the left to facilitate proper installation.
3) The dishwasher should be built in the cabinet and fixed it on the cabinet bytwoscrew.
Installation steps
1)
2)
3)
4)
5)
6)
Install the aesthetic pannel on the outer door of the dishwasher.
Adjust the tension of door spring.
level the dishwahser and touch the cabinet by adjusting the four leveling legs individually.
Connect the inlet, and drain hoses, and power cord .
pushing the dishwasher into the cabinet.
fixing the dishwasher into the cabinet by two countersunk head screw.
5
3
Installation steps
2
6
When you want more particular content about installation, please to see the installation
manual we edited.

3
2.1 Foreword
Before any repair service, you should check:
a) Whether the dishwasher is properly installed according to the installation manual.
b) Whether the damaged components have been repaired or not.
c) Whether the charging hose and the drain hose are properly installed.
d) Whether the dishwasher is level or not.
e) Whether there is salt in the water softener.
f) Whether there is rinse agent in the dispenser.
The circuit board is the centrum of the whole control system of the dishwasher. When dishwasher is
washing though a information comes to the circuit, then the circuit delivers various dictate to
every department of dishwasher to keep the dishwasher moving. the dishwasher move with a
arranged program. If you know the program and structure of the dishwasher, the below table shoule
be helpful to establish a resolve to any problems occurred.
2.2 Troubleshooting
Questions put forward by users
By misusage of users
The problems of the dishwasher itself
The dishwasher does not start
* Something wrong with the socket
* No water (the water valve is closed)
* Improper electrical connection
* The door is not properly closed
* Incorrect position of charging hose
*Powercord
* "ON/OFF" switch
*Doorswitch
* Water inlet valve
* Pressure switch
* Aqua-stop switch
Water floods in the dishwasher
* Air leakage of the chamber
* The hose of pressure switch
*Pressureswitch
* Water inlet valve
The dishwasher does not heat
* Malfunction of heating element
* The circuit is not properly contacted
* Malfunction of the thermocouple
No water comes into the dishwasher * Water supply is cut off
* The filter of the water inlet valve is
clogged.
* Connection to the inlet valve is
broken or damaged.
* Electrical connection is cut off.
* Pressure switch
* Aqua-stop switch
* The softener is blocked.
The problems of the dishwasher itself
* Air leakage of the chamber
* The hose of pressure switch
* Pressure switch
* Water inlet valve

4
The dishes are not clean enough after
washing
* The filter is clogged.
* Unqualified detergent or the dosage
in the container is not correct.
* No salt in the softener
*Norinseagent
* Incorrect loading of dishes *
Something wrong with the drain pipe
in the home
* Flow and pressure of washing pump
* Detergent is not released from
dispenser
* Heating element is not working
* The nozzle is blocked by food
particles
*Nowatercomingintothe
dishwasher
*Thedispensermalfunctions
*Sthwrongwiththepressureswitch
and the charging water is not enough
The dishwasher doesn't
wash properly
* Wrong loading position of the dishes.
* Short circuit of startup capacitance
* Washing motor is blocked or burnt
*Pressureswitch
* Malfunction of the circuit board
The dishes are wet
* The customer chose the program
without drying performance
*Thermocouple doesn't work
properly
* Heating element has malfunctioned
* Something is wrong with the
circuit board
The dishes are not completely dried
* Incorrect loading of the dishes
* Earlier opening of the door
* No rinse agent or the dosage is not
enough
* Incorrect program selection
* The passage of the air breather is
blocked
* The drain pump does not drain out
water
* Detergent is not released from the
dispenser
* Noise from washing pump
* Noise from drain pump
* Noise from water inlet valve
*Noise from air breather
Too much noise * Incorrect loading of dishes
Electrical charges from
dishwasher
* The electrical wire in the house is
not earthed.
* Connection of the terminal box
* Grounding of the heating element
* Circuit and its components
Water leakage and flood of the
dishwasher
* Too much detergent
* Using the detergent not intended
for use with dishwashers.
* Flow and pressure of washing pump
* Detergent is not released from
dispenser
* Heating element is not working
* The nozzle is blocked by food
particles
*Nowatercomingintothe
dishwasher
* The dispenser malfunctions
* wrong with the pressure
switch
something
reducing water pressure
*Pressureswitch
*Doorgasket
* Water leakage of pipes, gaskets
and bolts
*Drainhose
* Washing pump
*Softenervalve
*Softener
*Airbreather

5
Unusuel smell in the dishwasher
* Food particles on the tub bottom
* Food particles on the heating
element
* Plastic dishes used in the
dishwasher
* The water temperature is too
high when drying (overheating)
* Thermocouple doesn't
work properly
Long time for a washing cycle
* Inlet pressure is too low
* Incorrect location of charging
and drain hoses or they are bent
* The filter of inlet valve is blocked
* The drain hose is crimped or bent
* Malfunction of the drain pump
* Infill of the inlet valve is blocked
*Clogofthesoftener
* Malfunction of the thermocouple
The detergent could not be released
from the dispenser
* Bad quality of the detergent
*Thedetergentisdampedinto
blocks
* Wrong location of the dishes
* The plug of detergent container
could not be opened.
*Noactionofthesolenoidvalveof
electric feeding dispenser.
* Malfunction of the electric circuit
* Malfunction of the thermocouple
Dishwasher stops when cycling
* The door is not completely shut
*Thefilterisblocked
*Toomuchdetergent
* Electric circuit
*Doorswitch
*Pressureswitch
* The circuit board
* Power switch
Dishes are damaged or glassware is
broken
* The dishes are not suitable for
washing in the dishwasher
* The dishes are overturned
*Thewashingtemperatureisnot
suitable for glassware
* Basket is damaged
* Malfunction of the thermocouple
The dishwasher does not drain *Blockofdrainhose
* Malfunction of drain pump
* Improper connection of electric
circuit
* Malfunction of the thermocouple
Lime deposits form on the dishes
*Toomuchdetergent *Reducethedosage
Thedisheslookgreasyandabluefilm
forms on them sometimes
* Too much rinse agent *Reducethedosage
Dirty spots on the surface of the
dishwasher
*Thedetergentstickstothedamp
surface
* Use the detergent according to the
user's manual
* The detergent should not be spilled
on the surface of the dishwasher
Strange color of the surface of the
washed dishes
*Thesaltisnotintendedtousein
the dishwasher.
* The influence of salt on the resin

6
2.3 Notes
1. According to the program requiring, when the dishwasher is heated to a certain
temperature, the circuit board will shut off the electric supply to the electrothermal
element.
2. Aqua-stop device: start up the drain pump and make the dishwasher stop its running.
3. The 90℃thermostat is closed under normal condition. When the dishwasherisheatedtoacertain
temperature, the thermostat will open to shut off the electric supply to the eletrothermal elements.
2.4 Attached drawings
Electric Drawing
Connection Drawing
4. If the inlet value has worked for four minutes, the pressure switch may have not acted, the dishwasher
will shut off all the loads, the alarm buzzer will ring for thirty seconds and the windows display E1 ,
after alarming, the dishwasher pause for three minutes, then drain water for sixty seconds.
“”
5. If the heat element have heated for sixty minutes, the thermocouple have not acted, the
dishwasher will shut off all the loads, the alarm buzzer will ring for thirty seconds and the windows
display E3 , after alarming, the dishwasher pause for three minutes, then drain water for sixty
seconds.
“”
6. If the micro switch has acted for more than two minutes, the dishwasher will shut off all the
loads, the alarm buzzer will ring for thirty seconds and the windows displayE4,afteralarming,
the dishwasher will pause for three minutes, then drain water for sixty seconds.
“”
8. If the thermocouple has been checked for a short circuit, the dishwasher will shut off all the loads,
the alarm buzzer will ring for thirty seconds and the windows display E7 , after alarming, the
dishwasher pause for three minutes, then drain water for sixty seconds.
“”
7. If the thermocouple has been checked for a open circuit, the dishwasher will shut off all the loads,
the alarm buzzer will ring for thirty seconds and the windows display E6 , after alarming, the
dishwasher pause for three minutes, then drain water for sixty seconds.
“”

WQP8-B9252/WQP12-B9 251