Altech ATE-053DCIMX05, Technical & Service Manual

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8.2 Troubleshooting for indoor unit
Display LED STATUS
E0 EEPROM error
E1 Communication error between indoor and outdoor unit
E2 Zero-crossing examination error
E3 Fan speed beyond control
E5 Outdoor units temp. sensor or connector of temp. sensor is defective
E6 Indoor units temp. sensor or connector of temp. sensor is defective
P0 Inverter module protection
P1 Outdoor voltage protection
P2 Compressor temp. protection
P3 Compressor current protection
8.3 LED error code display for outdoor unit
Display LED STATUS
E0 EEPROM error
E1
#1 evaporator outlet
pipe temp. sensor or connector of pipe temp. sensor is defective
E2
#2 evaporator outlet
pipe temp. sensor or connector of pipe temp. sensor is defective
E3
#3 evaporator outlet
pipe temp. sensor or connector of pipe temp. sensor is defective
E6
#4 evaporator outlet
pipe temp. sensor or connector of pipe temp. sensor is defective
E4 Outdoor temp. sensor or connector of temp. sensor is defective
E5 Compressor voltage protection
E7 Communication error
between outdoor IC and DSP
P0 Compressor temp. protection
P1 High pressure protection (just for 27K and 36K 1x4 units.)
P2 Low pressure protection (just for 27K and 36K 1x4 units.)
P3 Compressor current protection
P4 Inverter module protection
P6 Condenser high-temperature protection
P7 Compressor driving protection