11. Trouble Shooting

Having trouble?

 

 

Here is the solution. (Unit is operating normally.)

“ ” appears in the remote controller display.

During central control, “

” appears in the remote controller display and

 

air conditioner operation cannot be started or stopped using the remote

 

controller.

 

 

 

 

 

 

 

 

 

 

 

 

When restarting the air conditioner soon after stopping it, it does not oper-

Wait approximately three minutes.

 

 

ate even though the ON/OFF button is pressed.

(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,

WEEKLY

, SIMPLE , or AUTO OFF appears in

 

the remote controller display.

 

 

 

 

 

 

 

 

 

 

“PLEASE WAIT” appears in the remote controller display.

The initial settings are being performed. Wait approximately 3 minutes.

 

 

 

 

 

 

 

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 3 minutes.

 

 

 

 

 

Noise is louder than specifications.

The indoor operation sound level is affected by the acoustics of the par-

ticular room as shown in the following table and will be higher than the

 

 

noise specification, which was measured in an echo-free room.

 

 

 

 

 

 

 

 

 

 

 

 

High sound-

Normal rooms

Low sound-

 

 

 

 

 

absorbing rooms

absorbing rooms

 

 

 

Location

Broadcasting

Reception room,

Office, hotel

 

 

 

studio, music

 

 

 

examples

hotel lobby, etc.

room

 

 

 

room, etc.

 

 

 

 

 

 

 

 

 

 

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

The batteries are low.

 

 

 

 

faint, or signals are not received by the indoor unit unless the remote con-

Replace the batteries and press the Reset button.

 

 

If nothing appears even after the batteries are replaced, make sure that

troller is close.

the batteries are installed in the correct directions (+, –).

 

 

 

 

 

 

 

 

The operation lamp near the receiver for the wireless remote controller on

The self diagnosis function has operated to protect the air conditioner.

the indoor unit is flashing.

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.

 

 

 

 

 

 

 

 

 

 

 

17

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Mitsubishi Electronics PKA-AGAL, PCA-AGA, PLA-AAA Controller, Simple , or Auto OFF appears, Reception room, Examples