Toshiba MMU-AP0071MH Manuel D'installation page 26

9
TROUBLESHOOTING
Confirmation and check
When a fault occurs 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 will only be displayed while the unit is
in 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 fault occurs in the air conditioner, the error
history can be confirmed with the following procedure.
(The error history is stored in memory and can contain
up to 4 errors).
This history can be confirmed from either the operating
status the or the stop status.
Procedure
When pushing the
or more, the display similar to the one shown in the figure to the right
will appear.
If [Service Check] is displayed, the fault code will be stored in the
1
error history mode.
• 01 (Order of error history) is displayed in CODE No. window.
• Check Code is displayed in the CHECK window.
• The indoor unit address, where the fault has occurred will be
displayed in the UNIT No. window.
When pushing the
chronological order.
The numbers displayed within the CODE No. window can vary between 1 and 4. 1 being the most recent fault
2
and 4 being the oldest.
CAUTION
Do not push the
3
After confirmation, push the
SET TEST
and buttons simultaneously for 4 seconds
TEMP.
buttons, the error history stored within the memory will be displayed in
CL
button as this will erase all of the error history for that indoor unit.
TEST
button. This will return the display back to its original mode.
Check code
TEMP.
2
FILTER
RESET TEST
3
Description
23
CODE No.
UNIT No.
R.C. No.
Indoor unit No. in which
an error occurred
ON / OFF
TIMER SET FAN MODE
TIME SWING/FIX VENT
SET CL UNIT
UNIT No.
R.C. No.
1
CODE No.