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52
Protection Display Fault Codes for Indoor Unit
Malfunction
Indoor Unit Display Status
Code
LED display
Running lamp flashing
frequency
Timing lamp flashing
frequency
Evaporator temperature protection
P1
Lit
1
Overheat, over current protection of
inverter module
P2
Lit
2
Over current protection
P3
Lit
3
Compressor discharge temperature
protection
P4
Lit
4
Compressor overheat protection
P5
Lit
5
Compressor suction temperature
protection
P6
Lit
6
Power supply high or low current /
high or low voltage protection
P7
Lit
7
High pressure discharge protection
F9
Lit
9
Condenser high temperature
protection
PA
Lit
10
Outdoor high ambient temperature
protection
PC
Lit
11
Other protection fault
PF
Lit
12
Note:
The above error code information is applicable to several models of air conditioners, but because of product changes or
improvements, they can change. Please refer to the User’s Manual for more information, or have a technician contact YMGI.