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Error code
Display of 5 indicator lights
Fault Code
Fault classification / Fault type
high temperature protection of condenser
PA
/
Indoor unit EEPROM fault
Eb
/
Model judgment error (reserved)
EA
/
Disassembly and cleaning power-off protection
E7
/
Indoor auxiliary fan (fresh air motor) fault
EF
/
Water Full Alarm
P1
/
Environmental High Temperature Protection
EC
/
Environmental Low Temperature Protection
Ed
/
Communication failure between main control and carrier module
EL
/
AI module fault
FH
/