Operation Limits
Outdoor Units 61
P7 display
High temperature protection of evaporator
Whether
compressor operates?
Yes
Check whether the heat exchanger is dirty, the air-
outlet is blocked and the indoor fan is
normal?
Yes
Clean the heat exchanger and the air-outlet
Replace the
temperature sensor
No
Check whether the indoor fan is normal
Check refrigerant system (such as clogging of
capillary etc.)
No
Whether
the
connection is good?
Yes
Whether
the
temperature sensor
is normal?
No
Reconnect and
retest.
No
No
Replace the indoor
PCB
Yes
Whether
the indoor
PCB
is normal?
To Next Page
Loading...
