33
CODE DESCRIPTION
H7 Compressor losing of synchronism
HE Compressor demagnetization protection
L3
-
LA
-
Lc Compressor start failure
LE Compressor blockage
LF Overspeed
LP Indoor unit and outdoor unit do not match
P0 Drive module reset
P0 Min cooling or heating
P1 Rating cooling or heating
P2 Max cooling or heating
P3 Middle cooling or heating
P5 Phase current overcurrent protection
P6 Drive board communication malfunction
P7 Module temperature sensor is open/short-circuited
P8 Module temperature protection
P9 AC contactor protection
Pd Sensor connection protection
PE Temperature drift protection
PF Drive board ambient temperature sensor malfunction
PU Capacitor charging malfunction
U1 Compressor phase current circuit detection malfunction
U3 DC busbar voltage drop malfunction
U5 Complete unit current detection malfunction
U7 4-way valve commutation malfunction
U8 Zero-cross detection circuit malfunction
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