9 TROUBLESHOOTING
Confirmation and check
When a trouble occurred in the air conditioner, the check code and the indoor unit No. appear on the display part of the remote controller.
The check code is only displayed during the operation.
If the display disappears, operate the air conditioner according to the following “Confirmation of error history” for confirmation.
| CODE No. |
| UNIT No. |
| R.C. No. |
Check code | Indoor unit No. in which |
| an error occurred |
Confirmation of error history
When a trouble occurred on the air conditioner, the error history can be confirmed with the following procedure.
(The error history is stored in memory up to 4 errors.)
This history can be confirmed from either operating | 3 |
| |
status or stop status. |
|
| UNIT | 2 |
SET CL |
|
1
Procedure |
| Description |
|
| When pushing SET and | buttons simultaneously for 4 seconds or |
|
| more, the right display appears. |
| |
| If [Service Check] is displayed, the mode enters in the error history | CODE No. | |
1 | mode. | UNIT No. | |
| |||
• [01: Order of error history] is displayed in CODE No. window. |
| ||
|
| R.C. | No. |
| • [Check Code] is displayed in CHECK window. |
| |
•[Indoor unit address in which an error occurred] is displayed in UNIT No.
Every pushing 
, 
buttons, the error history stored in the memory is displayed in order. The numbers in CODE No. indicates CODE No. [01] (Latest) → [04] (Oldest).
2 | CAUTION |
|
Do not push CL button because all the error history of the indoor unit will be deleted.
3 | After confirmation, push | button to return to the usual display. |
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