Troubleshooting
4-10 Samsung Electronics
• K4 View mode Display changes
- PCB MAIN – OUT
(
AJ020BXS3CH, AJ***BX*4CH, AJ***BX*5CH)
DISPLAY1DISPLAY1 DISPLAY2DISPLAY2
K1K1 K2K2 K3K3 K4K4
- PCB MAIN - OUT
(
AJ020BXJ2CH, AJ024BXJ3CH)
DISPLAY1DISPLAY1 DISPLAY2DISPLAY2
K1K1 K2K2 K3K3 K4K4
• K4 View mode Display changes
Push Display Explanation Push Display Explanation
1 Present Compressor Frequency Discharge temperature
2 Target Compressor Frequency 10 OLP temperature
3 EEV0 current step 11 Condenser temperature
4 EEV1 current step 12 Outdoor temperature
5 EEV2 current step 13 Running current
6 EEV3 current step 14 Target Discharge temperature
7 EEV4 current step 15 Total capacity of the indoor units
8 Fan RPM (H: high, L: low, Blank: off ) 16 Safety Control (just For Service Technician)
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