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41
Installation and Maintenance
Service Manual
52
Malfunction
of detecting
plate(WIFI )
JF
Loads operate normally,
while the unit can’t be
normally controlled by
APP
1.Main board of indoor unit is
damaged;
2.Detection board is
damaged;
3.The connection between
indoor unit and detection
board is not good;
53
Defrosting
Heating
indicator
off for 0.5s
and then
blinks for
10s
Not the error code. It’s
the status code for the
operation.
54
Undefined
outdoor unit
error
oE
Cool: compressor
and outdoor fan stops
operation, while indoor
fan operates; Heat:
compressor, outdoor
fan and indoor fan stop
operation.
1. Outdoor ambient
temperature exceeds the
operation range of unit (eg:
less than-20oC or more than
60oC for cooling; more than
30oC for heating);
2. Failure startup of
compressor?
3. Are wires of compressor
not connected tightly?
4. Is compressor damaged?
5. Is main board damaged?