Trouble Shooting For Common Faults - Rapid RM04N Installations- Und Anwenderhandbuch

X. Trouble shooting for common faults
Phenomenon
A. Noticeable White
vaporous cold air or
water.
Not
failure
B. Plopping sound
Automatic start or stop
Swimming pool does
not run
Recheck
Running
heating
Note: If the following conditions happen, please stop the machine immediately,
and turn off the manual power supply switch, then the contact local
dealer.
a）Inaccurate switch action;
b）The fuse is frequently broken or leakage circuit breaker
jumped.
A. The fan motor stops automatically for defrost.
B. Sound from the solenoid valve when starting
and ending of defrost.
C. During operation or just stop, sound like water
flow, and largely in 2~3 minutes of starting the
machine. This Sound comes from flowing
refrigerant or 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 maloperation on the timer.
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)
but not Check if there is block on air inlet and outlet of
the unit.
Reason
12