Before Asking Repair Work - Toshiba TCB-AX21U-E Owner's Manual

BEFORE ASKING REPAIR WORK

Before asking a repair work, check the following items.
Phenomenon
Check Operation
again does not
start even if
the switch is
turned on.
Contact the shop
which you purchased
the air conditioner
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
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
(heat)" or "No "?
Phenomenon
<Display lamp flashes.>
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.
(cool) and
• 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.
14
Measures
Cause