
Operation methods
34
Error code list (1/3)
In the case of a malfunction, an error code will be displayed on the screen. Please contact your local
dealer and inform them of the error code for repair.
The error code displayed on the screen depends on the type of indoor unit or outdoor unit.
Please refer to the installation manual or operation manual attached to the indoor unit or outdoor unit also.
Error code
Details
64
Malfunction of indoor air thermistor (Heat reclaim ventilator)
65
Malfunction of outdoor air thermistor (Heat reclaim ventilator)
68
Malfunction of dust collection unit (Heat reclaim ventilator)
6A
Malfunction of damper system (Heat reclaim ventilator)
6F
Simplified remote controller malfunction (Heat reclaim ventilator)
6H
Door switch open (Heat reclaim ventilator)
94
Malfunction of transmission (between heat reclaim ventilator and fan unit)
A0
Indoor unit · External protection device activated
A1
Indoor unit · Malfunction of indoor unit PCB
A3
Indoor unit · Drain Level Control System Abnormality
A6
Indoor unit · Malfunction of fan motor
A7
Indoor unit · Malfunction of swing flap motor
A9
Indoor unit · Malfunction of electronic expansion valve
AF
Indoor unit · Malfunction of a humidifier system
AH
Indoor unit · Malfunction of dust collector of air cleaner
AJ
Indoor unit · Malfunction of capacity setting (Indoor unit PCB)
C4
Indoor unit · Malfunction of liquid pipe thermistor for heat exchanger
C5
Indoor unit · Malfunction of gas pipe thermistor for heat exchanger
C9
Indoor unit · Malfunction of suction air thermistor
CA
Indoor unit · Malfunction of discharge air thermistor
CJ
Indoor unit · Room temperature thermistor in remote controller abnormality
E0
Outdoor unit · Protection devices activated (unified)
E1
Outdoor unit · Defective outdoor unit PCB
E3
Outdoor unit · Actuation of high pressure switch (HPS)
E4
Outdoor unit · Actuation of low pressure switch (LPS)
E9
Outdoor unit · Malfunction of electronic expansion valve coil
EC
Outdoor unit · Malfunction of entering water temperature