Alarm Logic:
If EV opening error keeps 5 minutes
Possible Causes:
1. EV opening error
Check EV coil and body with alarm diagnosis 002 EV check (refer to page 5-5) / Replace the parts as needed
2. Refrigerant level
Unit might be low on refrigerant. Make sure there are no leaks and then charge system with specified amount.
Controller Action:
E809 [If EV opening error continues 5 minutes]
Restart after 3 minutes. F809 alarm occur when E809 is generated two times.
Unit stopped.
If EV opening error keeps 5 minutes
Possible Causes:
- Refrigerant shortage
1. EV opening error
Check EV coil and body with alarm diagnosis 002 EV check (refer to page 5-5) / Replace the parts as needed
2. Refrigerant level
Unit might be low on refrigerant. Make sure there are no leaks and then charge system with specified amount.
Controller Action:
E809 [If EV opening error continues 5 minutes]
Restart after 3 minutes. F809 alarm occur when E809 is generated two times.
Unit stopped.
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