14
BEFORE ASKING REPAIR WORK
Before asking a repair work, check the following items.
Phenomenon
Check
again
Operation
does not
start even if
the switch is
turned on.
Cause
Stopped? or after power failure?
Is the power supply of the power
switch?
Fuse?
Is not the mode ON timer?
Is not [ALL OFF] of [Signal
Receiving Part] selected?
Is not the battery of the remote
controller expired?
Is not the state of the display lamp
“Disagreement of
(cool) and
(heat)” or “No
”?
Measures
Push Start/Stop of the remote
controller.
Turn on the power supply switch if not.
Contact the shop which you
purchased the air conditioner.
Delete the timer operation.
Set the switch to [Normal position],
and stop the operation.
Replace the battery.
Change the operation mode.
Phenomenon
Contact the shop
which you purchased
the air conditioner
<Display lamp flashes.>
Please check the above items. If the trouble yet remains, stop the operation, turn off the power
switch, and then notify the shop which you purchased the air conditioner of the part No. and
phenomenon. Never repair any part by yourself because it is very dangerous. If the display lamp
is flashing, also tell of its contents.
Cause
• It is a communication error between
the sensor and the indoor unit, or
setup error of the address when the
wired remote controller is used.
• A communication error between the
indoor unit and the outdoor unit.
• A protective device of the indoor unit
works.
• A protective device of the outdoor
unit works.
• A trouble occurred on the tempera-
ture sensor.
• The compressor of the outdoor unit
is protected.
• The test run is performed.
Turn off the Trial ON switch.
