21
TROUBLE CHART (Cont.)
TROUBLE
REASON
ACTION
Green LED is flashing
System malfunction contact service
center after having made the following
checks:
•
Air filters are clean.
•
Air circulation is not obstructed.
•
Outdoor unit coil is not obstructed with
a service reduction of air circulation.
Refer to the installation manual for fault
code reading to be notified to service
center.
Restart air conditioner after having
corrected the faults.
A slight mist is emitted from the
indoor unit during cooling
The cool air from the indoor unit is coming
into contact with the room air.
Normal operation
A slight whistling noise is heard when
is heard when the air conditioner
starts or stops.
This is due to the refrigerant beginning to
circulate or an adjustment of the
refrigerant pressures.
Normal operation
Water vapor (mist) emanating from the
outdoor unit.
It is normal in heat pump operation, when
defrost is automatically activated.
Normal operation
Unpleasant smells coming from the
indoor unit.
Unpleasant smells can be caused by
substances accumulated in the air filters
Switch the system OFF and contact an
authorized service center to have the
filters cleaned.
Restart unit in the ventilation (fan only)
mode and open windows to change room
air.
Strange noises coming from the
indoor unit.
Occasionally the indoor unit can emit
some strange short noises during
operation or when it has stopped.
These are generally due to the of
temperature changes on the plastic parts.
Normal operation
Starting in heating mode for heat
pump systems
If the system starts at low ambient
temperatures, it takes a little while to
reach a comfortable room temperature.
When the system is started by the remote
control, it emits a signal beep, but the
louvre does not swing and the fan does
not run until the operating temperature
has been reached.
Normal operation
Summary of Contents for 38QG15-H
Page 8: ...6 8 WIRING DIAGRAMS...
Page 9: ...7 WIRING DIAGRAMS Cont...
Page 11: ...9 11 REFRIGERATION CYCLE 53VMC SERIES HEAT PUMP SYSTEM...
Page 12: ...10 REFRIGERATION CYCLE 53VMC SERIES Cont COOL ONLY SYSTEM...
Page 29: ...6 8 WIRING DIAGRAMS...
Page 30: ...7 WIRING DIAGRAMS Cont...
Page 32: ...9 10 REFRIGERATION CYCLE 53VMC SERIES HEAT PUMP SYSTEM...
Page 33: ...10 REFRIGERATION CYCLE 53VMC SERIES Cont COOL ONLY SYSTEM...