Trouble Shooting - Toshiba MML-AP0074NH-E Installation Manual

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TROUBLE SHOOTING

TROUBLE SHOOTING
A wired remote controller is necessary for this function. This function cannot be operate with a wireless remote
controller.

Confi rmation 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 "Confi rmation of error history"
for confi rmation.
Check code

Confi rmation of error history
When a trouble occurred on the air conditioner, the
trouble history can be confi rmed with the following
procedure. (The trouble history is stored in memory
up to 4 troubles.)
The history can be confi rmed from both operating status
and stop status.
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3
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Procedure
When pushing
for 4 seconds or more, the following display appears.
If [Service check]
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.
24-EN
Indoor UNIT No. in which an
error occurred
and buttons at the same time
is displayed, the mode enters
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 confi rmation, push
display.
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Installation Manual
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button used to
button because all the trouble
3
button to return to the usual