X. Trouble shooting for common faults
Problem Reason
Not a
failure
A.Noticeable White
vaporous cold air or
water
B.Gurgling sound
A.The fan motor stops automatically for defrost.
B.Sound from the solenoid valve when starting
and ending of defrost.
C.During use or just after use, a sound like water
flowing, usually in 2~3 minutes of starting the
machine.This Sound comes from flowing
refrigerant or dehumidification.
D.The gurgling sound during use is caused by
expansion on heating and contraction on cooling
of the heat exchanger when the temperature
varies.
Automatic start or
stop
Check whether the timer is working.
Heat pump does not
run
A. Power supply failure
B.Check manual power supply switch to make
sure it is on.
C.Fuse burned.
D. If protector has started (operating light is on)
E. Set timer on (the operating light is on)
Recheck
Running but not
heating
Check if the intake is blocked, or if the outlet is
obstructed.
Note: If the following conditions happen, please stop the machine immediately,
and turn off the manual power supply switch, then the contact your local
dealer.
a）Inaccurate switch action;
b）The fuse is frequently broken or circuit breaker acts.
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