4. Service procedures
1
2
3
4
5
IV - 13
6) Symptom: LCD on the remote controller is displaying “CHECK E06”. (Unusual
communication between the indoor and outdoor units)
* See the section of INSTALLATION INSTRUCTION concerning with flexible
combination system.
7) Symptom: LCD on the remote controller is displaying “CHECK E08”. (Duplicate
indoor unit address setting)
No
Yes
0339_M_I
Start
Replace the remote controller.
Correct the setting.
*
Are there two remote controllers
(master-slave) installed with both
remote controllers set as masters?
* See the section of INSTALLATION INSTRUCTION concerning with controlling
remote controller switches when there are two remote controllers.
8) Symptom: LCD on the remote controller is displaying “CHECK E09”. (Duplicate
setting of RCU address switch of remote controllers)
No
Yes
1903_M_I
Start
Correct wiring.
Influenced by external noise
Is there a cut line or contact
defect between an indoor and
outdoor unit’s control line?
No
Yes
1904_M_I
Start
Influenced by external noise
Correct the setting.
Is the setting for the non-volatile
memory IC on the indoor unit PCB
inappropriate?
(Are there two units with the same
address?)
* See the section of INSTALLATION INSTRUCTION concerning with flexible
combination system.
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