Error
Code
Unit
Action
Causes Explanation
E33
Water level sensor
error
Unit will close
valve and stop
with Error code
display
Water level sensor
or
control switch
(No voltage on the
water inlet valve)
E33 means the unit can’t detect the
Signal of Water level sensor.
CHECK THE WATER LEVERL SENSOR
CHECK THE PCB and the inner wire
between PCB and the sensor
4. MALFUNCTION CODES AND EXPLANATIONS
22
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