60
Installation and Maintenance
Service Manual
50
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?
51
Anti-freezing
protection for
evaporator
E2
Not the error code. It’s
the status code for the
operation.
52
Cold air
prevention
protection
E9
Not the error code. It’s
the status code for the
operation.
53
Refrigerant
recovery
mode
Fo
Refrigerant recovery. The
Serviceman operates it for
maintenance
42
