SiK401004_A
Malfunction display: E4 Abnormal discharge temperature
Abnormal discharge
temperature
Yes
Measure if
Measure if
Replace relevant
No
No
compressor's discharge temperature
temperature sensor's resistance
discharge temperature
has reached 130C
value is correct
sensor
Yes
Yes
Replace the outdoor
System pipeline leaks so
unit main board
complementation is needed. Please
add refrigerant according to the
amount specified in the nameplate
MAINTENANCE
94
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