Panasonic CS-RE12NKX, Service Manual

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11. Service Mode
11.1 Auto OFF/ON Button
1. AUTO OPERATION MODE
Once the Auto OFF/ON button is slightly pressed, the unit will immediately operate in Auto operation. 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)
Press the button continuously for approximate 5 second and then release. A “beep” sound will be heard to
identify the starting of TEST RUN OPERATION.
3. HEATING OPERATION
A) Within 5 minutes after TEST RUN operation starting, press the button again for more than 5 seconds until 2
“beep” sounds are heard, the unit will operate in heating mode.
B) Pressed the button continuously for approximate 8 second and then released. 2 “beep” sounds will be
heard to identify the starting of HEATING operation.
4. DIFFERENT CONTROLLING SETTING.
Press the button continuously for approximate 11 until 3 “beep” sounds are heard and together with the signal
from remote controller, the unit can be changed to different controlling setting.
For transmission code selection method, please refer to “Select Remote Control Transmission Code”
5. INDIVIDUAL COUNTER-ACTION
When the switch is continuously pressed between 16 to 21 seconds, either H14 error detection selection mode or
remote controller’s signal receiving sound can be cancelled or turned on.
11.2 Select Remote Control Transmission Code
There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor PCB.
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 units installed near by together.
To Change the code of remote controller, following table I to join or cut jumper wire on the remote controller and
setting with "Forced operation button". Four codes (A, B, C, D) can be selected. Taking code "B" for example,
the process below should be follow.
1. Press the "Auto OFF/ON” button on the indoor unit for approximate 11 seconds until 3 "Beep’s signal receiving
sounds are heard.
2. Within 5 minutes, gently press the "ERROR RESET" button on the remote control towards the indoor unit.
One "Beep" sound is heard.
3. Within 60 seconds, press any button on the remote control, the frequency of which was set as "B". Setting is
completed after a "Beep" sound is heard. The corresponding signal sent by remote control "B" will be received
by this indoor unit.
Table 1
Remote control J2 J3
A(STANDARD) SHORT OPEN
B OPEN OPEN
C SHORT SHORT
D OPEN SHORT
Auto OFF/ON
Button Pressed