5-18
5
E08 Duplicate Indoor Unit Address Settings Error
Error Detection Method
Error Diagnosis
It is judged an error if the addresses of indoor units are duplicated.
For information on the procedures for replacing the nonvolatile memory (EEPROM) of the indoor unit, refer to the manual
that is packaged with the indoor unit service board.
•
1.
2.
1
The indoor unit address settings are duplicated in the remote control detailed settings mode.
The multiple unit DISP pin is shorted across the indoor unit whose address is Not Set.
•
•
Remove the short
1-2
Is the DISP pin on the indoor unit control PC board shorted?1-1
Conduct checks prior to auto address setting.
Does E08 fail to go off even after running auto address setting again?
1-2
1-3
1-4
Yes
Yes
No
No
1-3
Do not make changes to indoor unit addresses with the detailed settings of the remote
controller.
Make them in the remote control address change mode.
1-4
Indoor
unit
control
PC board
The nonvolatile memory (EEPROM) on the indoor unit board has failed.
Replace the EEPROM.
EEPROM
DISP pin
DISP pinEEPROM
A746802 : 4-way Cassette Type A746803 : Duct Type
Sec5.indd18Sec5.indd18 2012/03/0920:44:072012/03/0920:44:07