Midea MAR30-P0501GP Service Manual page 21

Service manual for portable washer
Overflow alarm (E5)
Overflow alarm (E5)
Check wire connection of
water level switch.
Check the water level sensor.
Check the water inlet valve.
Replace the PCBs.
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Replace the harness if failure.
Check the frequency with an avometer
between the two outside pins. There
should get a read.
A read over 25KHz indicates the
sensor is in good condition.
Replace it if the read is below 10KHz or over 35KHz.
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Midea America Company
The resistance of valve coil
should be in range from 1 to 2KΩ.