Samsung AM JXVHGH Series Installation Manual page 112

Inspection and trial operation
Measure to take when E503 error occurs
Is the ball valve on the outdoor unit
Has the correct amount of additional refrigerant
been injected into the indoor unit and liquid line?
Perform Trial Operation (cooling/heating)
- See the instructions on Key operation modes .
Are the 4-way valve, Main EEV and
pressure sensors operating properly?
Is the operation cycle normal?
Perform Auto Trial Operation again
112
DVM S HE_IM_DB68-05461A-08_EN.indd 112
opened?
Yes
Yes
Yes
Yes
Yes
No .
Take corrective measures .
No .
Take corrective measures .
No .
Take corrective measures .
No .
Take corrective measures .
2017-03-24 오후 1:38:49