Midea MAD160-A2801GPS, Service Manual

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Service manual for Washing Machine Midea America Company
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4. TROUBLE SHOOTING
4.1 Test mode by Control
Note: Before entering the test mode, you should empty the machine so that there is no water
left in the drum. You can run a spin cycle or open the service panel from the front of the unit to
get all water out. Then make sure all parts are in their original position for check running.
To enter the test mode, press button Soak, button Extra Rinse button and button Power together at
the same time.
When unit is powered ON, you can turn it OFF by pressing the button Power anytime.
4.2 Test modes
Before starting test mode, the water level sensor should be installed. Otherwise, the unit will alarm
and stop running test mode.
Test 1
：
Anytime you enter the test mode, all lights and digital will be ON and then flash with 6 beeps.
If any light is not ON, replace the PCB. If the digital in not 88 displayed, replace the PCB. If you
can’t
hear the beep, replace the PCB.
Test 2
：
Washing test, to check the motor and rotate directions.
In 9 seconds after entered test mode, press button Soil Level to enter Washing test.
The Normal cycle light, Wash procedure light will be ON in Washing test.
The digital time will display 3 indicating that the remaining time is 3 minutes.
The motor and impeller will rotate in two-directions in turn.
The test mode will end with 6 beeps and Done light flashing after 3 minutes
’ operation. All lights will
be OFF when the lid is opened.
Test 3
：
Spinning test, to check clutch and pump.
In 9 seconds after entered test mode, press button Temp to enter Spinning test.
The Normal cycle light, Spin procedure light will be ON in Spinning test.
The digital time will display 3 indicating that the remaining time is 3 minutes.
The pump will start in 8 seconds. Another 2 seconds later, the unit will start Spinning test.
The test mode will end with 6 beeps and Done light flashing after 3 minutes
’ operation. All lights will
be OFF when the lid is opened.