Troubleshooting – Toshiba MMK-AP0092H User Manual

Page 23

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12

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.

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
status or stop status.

Procedure

1

2

3

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
mode.

• [01: Order of error history] 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.

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).

CAUTION

Do not push

CL

button because all the error history of the indoor unit will be deleted.

After confirmation, push

button to return to the usual display.

UNIT No.

CODE No.

R.C.

No.

Check code

Indoor unit No. in which
an error occurred

UNIT

SET

CL

3

2

1

UNIT No.

CODE No.

R.C.

No.

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