Trouble shooting – MRV Communications AE09~212FCAKA User Manual
Page 19
Trouble Shooting
ON
OFF
During DRY operation, there is no air
sent out or fan speed cant be changed.
In HEAT mode, the outdoor unit
generates water or steam.
This occurs during removal of the frost
(in defrosting operation) on the radiator
of outdoor unit.
Defrost operation
In HEAT mode, the indoor fan still
keeps running even the unit operation
stops.
After the unit stops, the indoor fan will
continue to run for a while to eliminate
residual heat.
Before asking for after-service to an authorized service center,
please check your air
conditioner for the following items
The system couldnt start
Is power on/off switched on?
The power on/off switch is
not at position of "ON
"
.
Is the power supply line
normal?
Is current leakage breaker
triggered?
Please do immediately
cut off power supply and
contact the authorized
service center.
Power
failure?
1 8