Panasonic S12NKUA Service Manual download pdf (Page 34)

13. Servicing Mode

13.1 Auto Off/On Button

Auto OFF/ON

Button Pressed

Auto OFF/ON

Button Pressed

5 sec

Auto Operation Test Run Operation

(Forced Cooling Operation)

Stop

1 AUTO OPERATION MODE

The Auto Operation will be activated immediately once the Auto OFF/ON button is pressed. This operation

can be used to operate air conditioner with limited function if remote control is misplaced or malfunction.

2 TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE)

The Test Run Operation will be activated if the Auto OFF/ON button is pressed continuously for more than 5

seconds. A “beep” sound will be heard at the fifth seconds, in order to identify the starting of this operation.

The Auto OFF/ON button may be used together with remote control to set / change the advance setting of air

conditioner operation.

3 REMOTE CONTROL NUMBER SWITCH MODE

The Remote Control Number Switch Mode will be activated if the Auto OFF/ON button is pressed

continuously for more than 11 seconds (3 “beep” sounds will occur at 11

seconds to identify the Remote

Control Number Switch Mode is in standby condition), press “AC Reset” button and then press any button at

remote control to transmit and store the desired transmission code to the EEPROM.

There are 4 types of remote control transmission code could be selected. The indoor unit will only operate

when received signal with same transmission code from remote control. This could prevent signal

interference when there are 2 or more units installed nearby together.

To change remote control transmission code, short or open jumpers at the remote control printed circuit

board.

Remote Control Printed Circuit Board

Jumper A (J-A) Jumper B (J-B) Remote Control No.

Short Open A (Default)

Open Open B

Short Short C

Open Short D

4 REMOTE CONTROL RECEIVING SOUND OFF/ON MODE

The Remote Control Receiving Sound OFF/ON Mode will be activated if the Auto OFF/ON button is pressed

continuously for more than 16 seconds (4 “beep” sounds will occur at 16

seconds to identify the Remote

Control Receiving Sound OFF/ON Mode is in standby condition) and press “AC Reset” button and then press

“Check” button at remote control.

Press Auto OFF/ON button to toggle remote control receiving sound.

- Short “beep”: Turn ON remote control receiving sound.

- Long “beep”: Turn OFF remote control receiving sound.

After Auto OFF/ON button is pressed, the 20 seconds counter for Remote Control Receiving Sound OFF/ON

Mode is restarted.

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Panasonic S12NKUA Service Manual Page 34

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