Trouble Shooting - Toshiba MMU-AP0092H Installation Manual

SMMS 4-way Air Discharge Cassette Type
11

TROUBLE SHOOTING

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.
Check code
Confirmation of error
history
When a trouble occurred on the air conditioner,
the trouble history can be confirmed with the
following procedure. (The trouble history is stored
in memory up to 4 troubles.)
The history can be confirmed from both operating
status and stop status.
2
3
Procedure
When pushing
time for 4 seconds or more, the following display
appears.
If [ Service check] is displayed, the mode enters
in the trouble history mode.
• [01 : Order of trouble 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.
33-EN
Indoor unit No. in which
an error occurred
1
and buttons at the same
Procedure
Every pushing of "TEMP."
set temperature, the trouble history stored in
memory is displayed in order.
The numbers in CODE No. indicate CODE No.
[01] (latest) → [04] (oldest).
REQUIREMENT
Do not push
history of the indoor unit will be deleted.
Procedure
After confirmation, push
usual display.
1
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Installation Manual
2
button used to
button because all the trouble
3
button to return to the