Troubleshooting; Diagnostic Checkliest; Test Operation Mode And Check Mode - Samsung AC024BXUPCH Service Manual

4. Troubleshooting

4-1. Diagnostic Checkliest

4-1-1. Test operation mode and check mode

■ Display Option key
Key Push type
1st Heating test mode
K1 Short 2nd Defrost test mode
3rd End Key operation
1st Cooling test mode
2nd Inverter check
3rd Pump down
4th Reserved
K2 Short
On Device Inverter Checker
5th
(Comp#1)
6th Auto test mode
Auto check
7th
(Install commissioning mode)
8th End Key operation
K3 Short 1st Reset
1) Heating test mode : system operates in heating mode (set 104℉ (40℃)) and checks for any error.
2) Defrost test mode operates when outdoor temperature is under 50℉(10℃) for 1 minute after pressing K1 for defrost test mode.
3) Cooling test mode : system operates in cooling mode (set 37.4℉ (3℃)) and checks for any error.
4) Indication on the display and action to take when an inverter fault is detected.
5) Auto Test Mode: System will determine test mode (cool or heat) based on ambient temperature
* Test mode will continue to operate for 10 hours; any K button press pressing any K button will terminate the test mode
* If an error occurs during the test operation, the test mode will terminate and display the associated error codes
6) Auto Check Mode: System will determine test mode (cool or heat) based on ambient temperature
* Test mode will continue to operate for 10~20mins and self-terminate test mode if no errors are found; pressing any K button press
will terminate the test mode
* If an error occurs during the test operation, the test mode will terminate and display the associated error codes
Fault detection is in progress
OK
NG
Check
Going into fault detection mode failed
Samsung Electronics
Mode
SEG 1 SEG 2 SEG 3 SEG 4
1)
2)
3)
4)
5)
6)
SEG1 SEG2
Display
7-segment display 7-segment display
SEG3 SEG4
-
-
PBA defect: Replace the PBA
Manual inspection is required
Try fault detection again
Key switch Key switch
Action to take
4-1