Operation Condition Secession Error - Samsung AQV18UGAX Service Manual

12-2-23.Operation condition secession error

Indoor display ⊙
Outdoor display ●
1.Checklist :
1) Check the temperature around the outdoor unit.
2. Troubleshooting procedure
Restart after power off
Is the operation condition secession
error appeared again?
YES
* Heating mode *
Is the outdoor temperature over
40℃ or under -30℃?
YES
The temperature condition is too poor to operate.
Wait until temperature is changed
○ ⊙ Outdoor error
⊙ ○ AC zero cross signal error
NO
Terminate the service
* Cooling mode *
Is the outdoor temperature under
-7℃
-
12-23