Daikin E107

Alarm
Logic
E107
  • the discharge gas temperature becomes abnormally high temperatureIf EV opening error keeps 5 minutes

Possible
Causes
Refrigeration system restriction : Drier / Filter
  • Low on refrigerant
  • ISV malfunction / Restriction for ESV outlet line capillary / Mounting position of discharge gas temperature sensor

Trouble
Shooting
Discharge gas temperature is abnormal
1. Check mounting position of discharge gas temperature sensor

Replace the sensor if resistance
value is not with specification.

2. Liquid line
Check drier and filter for restriction. Replace parts if needed
Replace as needed if it is restricted

3. Check drier for restriction and ISV outlet line strainer. Replace parts if needed ISV is open when DCHS temperature is high. Repair as needed if ISV does not open. Replace the parts as needed

4. EV opening error Check EV coil and body with alarm diagnosis 002 EV check (refer to page 5-4) ISV is open when DCHS temperature is high. Repair as needed if ISV does not open. Replace the parts as needed

5. Refrigerant level Unit might be low on refrigerant. Make sure there are no leaks and then charge system with specified amount.
Controller
Action
E107 [If discharge gas temperature is abnormal] Restart after 3 minutes. 9 restart attempts. Retry after 4 hours. If unit can't operate after 9 attempts, Retry after 4 hours repeatedly. [If EV opening error continues 5 minutes] Restart after 3 minutes. F803 alarm occur when E107 is generated two times. Unit stopped.