Common faults
Phenomenon
A.Noticeable
vaporous cold air or
water.
Not
failure
B. Plopping sound
Automatic start or stop
Heat pump does not run
Recheck
Running but not heating
Note: If the following conditions happen, please stop the machine and cut off the
power supply immediately, then contact your dealer:
a)Inaccurate switch action;
b)The fuse is frequently broken or leakage circuit breaker jumped.
Ⅴ. Trouble shooting
A. The fan motor stops automatically for defrost.
B. There will be sound from the solenoid valve when
White
machine starts or ends to defrost.
C. During machine working or just stopping, a sound
like water flow, in 2~3 minutes of starting the
machine. This sound comes from refrigerant flowing
or water drainage during dehumidification.
D. The plopping sound during the operation is caused
by expand on heating and contract on cooling of the
heat exchanger when temperature varies.
Check whether there is mal-function on the timer.
A. Power supply failure
B. Check manual power supply switch to make sure it
is on.
C. Fuse burned.
D. If machine auto- protector has started (check
failure code display on controller).
Check if there is blockage on air inlet and outlet of the
unit.
18
Possible reason