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ERROR CODE LIST
CODE DESCRIPTION
A5 Outdoor condenser inlet pipe temperature sensor is open/short- circuited
A7 Outdoor condenser outlet pipe temperature sensor is open/short- circuited
b5 Liquid valve temperature sensor is open/short-circuited
b7 Gas valve temperature sensor is open/short-circuited
C5 Malfunction protection of jumper cap
dd Wrong connection of communication cable or expansion valve malfunction detection mode
dn Wrong connection of communication cable or expansion valve malfunction
E1 High pressure protection for the system
E2 Freeze protection
E3 Low pressure protection for the system
E4 High discharge temperature protection of compressor
E5 Complete unit overcurrent protection
E6 Communication malfunction of indoor unit and outdoor unit
E7 Mode conflict
E8 Overload protection
E9 Cold blow protection
EE Memory chip malfunction
En Module current protection with limiting frequency or lowing down frequency
EU Module temperature protection with limiting frequency or lowing down frequency
F0 shortage of freon or blockage protection for the system
F1 Indoor ambient temperature sensor is open/short- circuited
F2 Indoor evaporator temperature sensor is open/short-circuited
F3 Outdoor ambient temperature sensor is open/short- circuited
F4 Outdoor condenser middle pipe temperature sensor is open/short- circuited
F5 Outdoor discharge temperature sensor is open/short- circuited
F6 Overload with limiting frequency or lowing down frequency
F7 Oil return in cooling mode
F8 Complete unit current protection with limiting frequency or lowing down frequency
F9 Overhigh discharge with limiting frequency or lowing down frequency
FH Freeze protection with limiting frequency or lowing down frequency
Fo Refrigerant recovery mode
H1 Defrosting or oil return in heating mode
H3 Compressor heat overload protection
H5 Module current protection
H6 No feedback of indoor motor
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