Table 7.2
Error Definition and
Error
Description
Code
ODU communication fault
E0
Three-phase power supply
E1
phase protection
Communication error between
E2
indoor and outdoor units
Error in condenser
temperature sensor (T3) or
E4
ambient temperature sensor
(T4)
E5
Voltage protection
Discharge temperature sensor
E7
fault
ODU address error fault
E8
XE9
Drive mismatching fault
EL
Reserved
Communication error between
XH0
IR341 and master chip
Communication chip and
H1
master chip communication
fault
H2
ODU qty decrease fault
H3
ODU qty increase fault
List of ODU error codes:
Error
Code
XF1
F3
F5
P0
P1
P2
XP3
P4
P5
P9
PF
PL
PP
39
Error Definition and Description
PTC error
Error in temperature sensor at T6B
plate heat exchanger outlet
Error in temperature sensor at T6A
plate heat exchanger inlet
Inverter compressor top temperature
protection
High pressure protection
Low pressure protection
Compressor overcurrent protection
Protection against excessive
discharge temperature of compressor
High temperature protection of
condenser
DC Fan Error
Reserved
Protection against excessive
temperature of the inverter module
Protection against excessively low
discharge superheat
V.2