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Troubleshooting by Remote Controller
SiBE341027
170
Service Diagnosis
Troubleshooting
NO
YES
Replace the outdoor unit main
PCB.
NO
YES
The number of indoor units
exceeds the allowable range.
Check the connection to correct.
Replace the outdoor unit main
PCB.
Match the refrigerant types of the
outdoor unit and the indoor unit.
Confirmation of error 3 Confirmation of error 4
Confirmation of error 3 Confirmation of error 4
Diagnosis Flow 1
Diagnosis Flow 2
The number of indoor
units connected to the
same refrigerant system
should not more than 64
units.
Check if the refrigerant
type of the outdoor unit
corresponds to that of the
indoor unit.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.