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Error Codes PACi & ECOi
Alarm codes for indoor/outdoor units PACi R32 (continued)
9
i
Note
For full Trouble Diagnosis details please refer to the outdoor unit Technical Data & Service
Manual.
68
Error group
Symptoms
Activation of protec-
Faulty wiring connections of (ceiling) indoor unit panel
tive device
Activation of float switch wiring
WHE water freezing alarm
Valve error
O
sensor error
2
Discharge temperature protective alarm
Activation of high pressure switch
Power supply failure
Insufficient gas
Compressor overcurrent trouble
Fan motor locked/reversed airflow detected
WHE water pump interlock OFF alarm
Inverter compressor trouble
Group control trouble
Activation of current control compressor's
protective device
PAM trouble (overcurrent/overvoltage),
Activation of compressor's protective device
Primary current control, Activation of com-
pressor's protective device
HIC trouble
Thermistor fault
Indoor unit thermistor open/short
Outdoor unit thermistor
open/short
Monvolatile memory failure
Possible causes / Remedy
Faulty drain pump
Drainage failure
Contact failure of float switch wiring
WHE water freezing error
Valve error
Refrigerant circuit error
Wrong installation for refrigerant piping and wiring
O
sensor detected
2
Compressor discharge temperature trouble
Compressor discharge pressure trouble
Open phase detected
AC power supply trouble
Insufficient gas level detected
Outdoor unit fan motor trouble
Outdoor unit fan trouble
WHE pump interlock error (EXCT Error)
Indoor unit in group control trouble
Primary (input) overcurrent detected
PAM trouble
Primary current CT sensor failure
HIC trouble
DC voltage not detected
Indoor heat exchanger temperature sensor (E1) trouble
Indoor heat exchanger temperature sensor (E2) trouble
Indoor air temperature sensor (TA) trouble
Compressor discharge temperature sensor (TD) trouble
Outdoor heat exchanger temperature sensor (C1) trouble
Outdoor heat exchanger temperature sensor (C2) trouble
Outdoor air temperature sensor (TO) trouble
Compressor suction temperature sensor (TS) trouble
Indoor unit EEPROM trouble
Outdoor unit EEPROM trouble
DHW PAW-VP - Installation manual – 2020-05
Wired remote
controller display
P09
P10
P11
P13
P14
P03
P04
P05
P15
P16
P22
P23
P29
P31
H01
H02
H03
H31
F01
F02
F10
F04
F06
F07
F08
F12
F29
F31
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