72
No
Yes
[95] Indoor and outdoor communication circuit
Whether the
P, Q communication line has mismatching
line and broken line
Modify the communication line
No
Whether the
connection of the connectors of indoor
PCB CN24 is normal
No
Modify the wiring of the connectors
Yes
Yes
Yes
No
Yes
Whether the
connection of the connectors of outdoor
I/F PCB CN11 is normal
Yes
No
No
Whether the
power of outdoor unit is
switched on
Switch on the power of outdoor unit
Whether there is power failure
Eliminate inspection code
Whether there is source of noise
Check and eliminate noise
Check indoor PCB, if improper,replace it
* When first switch on the power of indoor unit and then (more than 1 minute) switch on the power of outdoor unit, sometimes the "95" code may display. This is not abnormal. Please eliminate the inspection code.
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