Three-phase power supply
phase protection
Error in temperature sensor at T6B
plate heat exchanger outlet
E2
Communication error between
F5
Error in temperature sensor at T6A
plate heat exchanger inlet
temperature sensor (T3) or
ambient temperature sensor
P0
Inverter compressor top temperature
protection
Discharge temperature sensor
fault
P2 Low pressure protection
Compressor overcurrent protection
XE9 Drive mismatching fault P4
Protection against excessive
discharge temperature of compressor
EL Reserved P5
High temperature protection of
Communication error between
IR341 and master chip
P9 DC Fan Error
H1
Communication chip and
master chip communication
PF Reserved
H2 ODU qty decrease fault PL
Protection against excessive
temperature of the inverter module
H3 ODU qty increase fault PP
Protection against excessively low
Error Definition and
Description
Error Definition and Description
38