5. Error Display
• When there is a communication error between the wired controller and the indoor unit, the
wired controller will show the error code "E9", an indication of a communication failure in
wired controller.
• When the indoor or outdoor unit fails, the display of the wired controller shows the address
of faulty unit(s) in the timer area, and the error code in the temperature area.
Table 7.1
Error
Code
Indoor unit has no address
FE
E0
Mode conflict error
E1
Communication error between indoor and outdoor units
E2
T1 sensor error
E3
T2 sensor error
E4
T2B sensor error
E5
T2A sensor error (Reserved)
Fan error in indoor unit
E6
E7
EEPROM error fault
Outdoor unit error
Ed
EE
Water level alarm error
Eb
Electronic expansion valve of indoor unit has error
List of IDU error codes:
Error Definition and Description
38
V.2