Troubleshooting - Trane R22 Owner's Manual

Before requesting service, perform
the following checks.
Trouble type
Waitting
OFF
OFF
MCW - SVU03A - E4

Troubleshooting

Indoor unit does not
operate immediately
when the air
conditioner is restarted.
There's unusual smell
blowing from the outlet
after operation is started.
Sound of water flow
can be heard during
operation.
Mist is emitted during
cooling operation.
Creaking noise can be
heard when start or
stop the unit.
Air conditioner
does not operate at all.
Cooling (Heating)
efficiency is not good.
Wireless remote controll
does not work properly.
Troubleshooting
Once the air conditioner is stopped,
it will not operate in approximately
3 minutes to protect itself.
This is caused by the odors in the
room which have been breathed
into the air conditioner.
This is caused by the refrigerant
flowing inside the unit.
Because room air is cooled down
rapidly by the cold air flow and it
looks like the fog.
This is caused by the deformation
of plastic due to the temperature
change.
Has the power been shut down?
Is the wiring loose?
Is the leakage protection switch
activated?
Is voltage higher than 244V or lower
than 206V?
Is TIMER ON in operation?
Is SET TEMP. suitable?
Is air inlet or outlet obstructed?
Are air filters dirty?
Is indoor fan speed set at low
speed?
Is there any other heat sourse in
your room?
Is the remote control out of
effective distance to the indoor
unit?
Replace the worn batteries of the
wireless remote controll.
Are there any obstructions between
the wireless remote controll and
the signal receiver?
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