Ecoair ECO906SQ Installation And Operation Manual page 19

Troubleshooting
Phenomenon
The unit is not running
Breaking off
Cooling (Heating) efficiency is not good.
Remote control is not available
If water leakage in the room
If water leakage in outdoor unit
Noise from indoor unit emitted.
Troubleshooting
Has the power been shut down?
Is power connected properly?
Is the circuit protection device tripped off or not?
Is voltage higher or lower?
(Tested by professionals)
Is the TIMER correctly used?
Is Temp. setting suitable?
Were inlet and outlet vents obstructed?
Is filter dirty?
Are the windows and doors closed?
Did Fan speed set at low speed?
Is there any heat sources in the room?
The unit is interfered by abnormal or frequent
functions switchover occasionally the controller
cannot operate. At this time, you need to pull out
of the plug, and reinsert it.
Is it in its receiving range? Or obstructed?
To check the voltage in remote control inside
is charged, otherwise to replace the batteries.
Whether the wireless remote control is damaged.
The air humidity is on the high side.
Condensing water over flowed.
The connection position of indoor unit drainage
pipe is loosed.
When the unit is running in COOL mode, the
and connection of pipe would be condensed
to the water cooled down.
When the unit is running in Auto Defrosting
the ice thawed and flowed out.
When the unit is running in HEAT mode, the
adhered on heat exchanger dripped off.
The sound of fan or compressor relay is switching
on or off.
When the defrosting is started or stop running,
it will sound. That is due to the refrigerant flowed
to the reverse direction.