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7. Trouble Shooting
Having trouble?
Here is the solution. (Unit is operating normally.)
When restarting the air conditioner soon after stopping it, it does not
operate even though the ON/OFF button is pressed.
■
Wait approximately three minutes.
(Operation has stopped to protect the air conditioner.)
Air conditioner operates without the ON/OFF button being pressed.
■
Is the on timer set?
Press the ON/OFF button to stop operation.
■
Is the air conditioner connected to a central remote controller?
Consult the concerned people who control the air conditioner.
■
Does “
” appear in the remote controller display?
Consult the concerned people who control the air conditioner.
■
Has the auto recovery feature from power failures been set?
Press the ON/OFF button to stop operation.
Air conditioner stops without the ON/OFF button being pressed.
■
Is the off timer set?
Press the ON/OFF button to restart operation.
■
Is the air conditioner connected to a central remote controller?
Consult the concerned people who control the air conditioner.
■
Does “
” appear in the remote controller display?
Consult the concerned people who control the air conditioner.
Remote controller timer operation cannot be set.
■
Are timer settings invalid?
If the timer can be set,
or
appears in the remote controller
display.
“PLEASE WAIT” appears in the remote controller display.
■
The initial settings are being performed. Wait approximately 3 min-
utes.
An error code appears in the remote controller display.
■
The protection devices have operated to protect the air conditioner.
■
Do not attempt to repair this equipment by yourself.
Turn off the power switch immediately and consult your dealer. Be
sure to provide the dealer with the model name and information that
appeared in the remote controller display.
Draining water or motor rotation sound is heard.
■
When cooling operation stops, the drain pump operates and then
stops. Wait approximately 5 minutes.
The vanes do not move or the indoor unit does not respond to input from
the wireless remote controller.
■
The junction wire connectors of the vane motor and signal receiver
may not be connected correctly. Have an installer check the connec-
tions. (The colors of the male and female sections of the junction wire
connectors must match.)
Noise is louder than specifications.
■
The indoor operation sound level is affected by the acoustics of the
particular room as shown in the following table and will be higher than
the noise specification, which was measured in anechoic room.
High sound
absorbing rooms Normal rooms
Low sound
absorbing rooms
Location
examples
Broadcasting
studio, music
room, etc.
Reception room,
hotel lobby, etc.
Office, hotel
room
Noise levels
3 to 7 dB
6 to 10 dB
9 to 13 dB
Nothing appears in the wireless remote controller display, the display
is faint, or signals are not received by the indoor unit unless the remote
controller is close.
■
The batteries are low.
Replace the batteries and press the Reset button.
■
If nothing appears even after the batteries are replaced, make sure that
the batteries are installed in the correct directions (+, –).
The operation lamp near the receiver for the wireless remote controller on
the indoor unit is blinking.
■
The self diagnosis function has operated to protect the air conditioner.
■
Do not attempt to repair this equipment by yourself.
Turn off the power switch immediately and consult your dealer. Be sure
to provide the dealer with the model name.
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