10
KJ79P970H02
6. Troubleshooting
When an error occurs, the following screen will appear and the operation LED will blink.
Check the error status, stop the operation, and consult your dealer.
Press the [F1] or [F2] button to go to the next page.
Before you ask for repair service, check the following points:
State of Machine Remote Controller Cause Troubleshooting
It does not run. Ruled line and clock are not
the [ON/OFF] button is pressed.
Power failure Press the [ON/OFF] button after power restoration.
Replace fuse.
The earth leakage breaker is gone. Put in the earth leakage breaker.
Air flows out but it does
not cool enough or heat
enough.
that it is in the state of operation.
After checking the set temperature and inlet
The filter is filled with dust and dirt. Clean up the filter.
(Refer to section 5 "Caring for the machine".)
There are some obstacles at the air inlet
and outlet of the indoor and outdoor units.
Windows and doors are open. Close.
Cool air or warm air does
not come out.
that it is in operation.
for 3 minutes.
Wait for a while.
there are occasions sometimes when the compressor
when it does not run for as long as 3 minutes.)
Indoor unit operation was restarted during
the heating and defrosting operation.
Wait for a while.
(Heating operation starts after ending defrosting
operation.)
stops.
There are some obstacles at the air inlet
and outlet of the indoor and outdoor units.
The filter is filled with dust and dirt. Rerun after cleaning the filter. (Refer to section 5
"Caring for the machine".)
The sound of the exhaust
and rotation of the motor
can still be heard after
stop of running.
All lights are out except the ruled
line and clock.
Fri
When other indoor units are engaged in
running a drain-up mechanism for 3
minutes when air-cooling operation is
stopped.
Wait for 3 minutes.
The sound of the exhaust
and the rotation of the
motor can be heard
running.
All lights are out except the ruled
line and clock.
Fri
When other indoor units are engaged in
drain-up mechanism initiates a draining
operation.
It soon stops. (If the noise occurs more than 2-3 times
Warm air comes out
thermostat is OFF or
during fan operation.
that it is in the state of operation.
When other indoor units are engaged in
opened and closed from time to time to
It soon stops. (If the room temperature rises
•
press the [ON/OFF] button again and start operation.
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