Troubleshooting - Toshiba Carrier MMD-AP0074SPH2UL Installation Manual

11

Troubleshooting

Confirmation and check
When an error occurred in the air conditioner, the
check code and the indoor UNIT No. appear on the
display part of the remote control.
The check code is only displayed during the operation.
If the display disappears, operate the air conditioner
according to the following "Confirmation of error log" for
confirmation.
Check code Indoor UNIT No. in
which an error occurred
Confirmation of error log
When an error occurred on the air conditioner, the error
log can be confirmed with the following procedure.
(The error log is stored in memory up to 4 errors.)
The log can be confirmed from both operating status
and stop status.
2
3
1
1
Procedure
Push and buttons simultaneously for 4 seconds
or more, the following display appears.
If [Service check] is displayed, the mode enters in
the error log mode.
• [01: Order of error log] is displayed in CODE No.
window.
• [Check code] is displayed in CHECK window.
• [Indoor unit address in which an error occurred] is
displayed in Unit No.
35-EN
2
Procedure
Push button. The error log stored in memory is
displayed in order.
The numbers in CODE No. indicate CODE No. [01]
(latest) → [04] (oldest).
REQUIREMENT
Do not push button because all the error log of the
indoor unit will be deleted.
3
Procedure
Push button to return to the usual display after
confirmation.
1. Check the errors according to the above procedure.
2. Ask an authorized dealer or qualified service
(maintenance) professional to repair or maintain the
air conditioner.
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EN
36-EN