Toshiba MMU-AP0091H 仕様ガイド

When a error has occurred in the air conditioner,
the check code and the indoor unit No. will appear
on the display part of the remote controller.

The check code is only displayed during while the
unit is operating.

If the display disappears, operate the air condi-
tioner according to the following “Confirmation of
error history” for confirmation.

When a error has occurred on the air conditioner,
the error history can be confirmed with the follow-
ing procedure. (Up to 4 errors can be stored in the
memory of the remote controller.)

The history can be confirmed from both operating
status and stop status.

Check code

Indoor unit No. in which 
an error has occurred

CODE No.

UNIT   No.

R.C.

No.

ON / OFF

FAN

TEMP.

SWING/FIX

TIME

MODE

VENT

UNIT

SET

CL

FILTER
RESET TEST

TIMER SET

When pushing the 

SET

 and 

TEST

 buttons at the same time

for 4 seconds or more, the following display will appear.

If [Service check] is displayed, the mode enters into the
change 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 the error has occurred] is

displayed in UNIT No.

For every push of the 

 , 

 button used to set temperature, the trouble history stored in memory

is displayed in order.

The numbers in CODE No. indicate CODE No.  [01] (latest) 

→

 [04] (oldest).

Do not push the 

CL

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

After confirmation, push the 

TEST

 button to return to the normal display.

1. Check the error codes according to the above procedure.

2. Ask an authorized dealer or qualified service (maintenance) professional to repair or maintain the air

conditioner.

3. More details of the service codes are explained in the Service Manual.

CODE No.

UNIT   No.

R.C.

No.