MegaLife ARV Series, Service Manual, Page: 60 / 172

MegaLife ARV OUTDOOR UNIT
–
ARV 6 ALL DC INVERTER T1 50&60HZ Service Manual
60
step 8
3.8 Refrigerant judgment
During detecting
, display “ ”

If any [ module low pressure P s ]
≤ -25 ℃
, then point out refrigerant lack protection,
display “ ”
All buttons are invalid
It required to check is there any leakage, need to do air tightness test ,
maintenance, vacuuming, add refrigerant and do commissioning again