MegaLife ARV Series, Service Manual, Page: 159 / 172

MegaLife ARV OUTDOOR UNIT
–
ARV 6 ALL DC INVERTER T1 50&60HZ Service Manual
159
5.4 HF Error code
HF
：
Oil shortage fault
When detect the oil temperature is abnormal, low temperature near the
environment temperature. In addition, discharge super-heat is normal. Then will appear
HF Error code, whole system will stop running. Once confirm the unrecoverable
↓
Oil temperature sensor is abnormal?
→
Replace sensor
NO
↓
Oil return capillary is blocked?
→
Replace capillary
NO
↓
Through monitoring software to check
is the system frequent to run the oil return
mode?
→
Add oil
NO
↓
Contact the manufacturer's Technician