CS-C18JKD, CU-C18JKD, CS-C24JKD, CU-C24JKD - Panasonic Air Conditioner Service Manual (repair manual). Page 41

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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.

3. VARIOUS SETTING MODE

The Various Setting mode will be activated if (within 20 seconds of Test Run Operation) the Auto OFF/ON button is pressed
for more than 5 seconds. 2 “beep” sound will be heard at to identify the starting of this  operation.
Under Various Setting  mode, user could perform the following operation:

a. REMOTE CONTROL RECEIVING SOUND OFF/ON

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.

b. REMOTE CONTROL NUMBER SWITCH

• There are 4 type of remote control transmission code could be selected and stored in EEPROM of indoor unit. 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 indoor unit installed nearby together.

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

• Under various setting mode, after select the transmission code combination of remote control, press any button of remote

control to transmit a signal to indoor unit. The transmission code will be stored in EEPROM.

• After signal is received, the various setting mode is cancelled and return to normal operation.
• If there is no code is transmitted or AUTO OFF/ON button is not pressed within 20 seconds, the Various Setting mode will

be cancelled.

Remote Control Printed Circuit Board

Transmission Code Combination

J-A

J-B

Remote Control No.

* Short

Open

A (default)

Open

Open

B

Short

Short

C

Open

Short

D