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SMMS 2-way Air Discharge Cassette Type
7.
Return the center panel holders to their original
positions, and tighten the two screws at the left and
two screws at the right (total: 4 screws) using the
screwdriver.
Make sure that the center panel is securely fixed
with the center panel holders and does not open.
8.
Check the filter
• From the two intakes, check that the filter tabs are
not disengaged. If they are, take hold of the
knobs, and push the filter in so that the tabs are
inserted.
9.
Set the circuit breaker to ON.
• Push
button.
• "FILTER
" disappears.
CAUTION
• Do not start the air conditioner while leaving the panel
and air filter removed.
• Push
button. (
indication will be turned off.)
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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
Indoor unit No. in which an error
occurred
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.
1
When pushing and holding
and
the same 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 No. in which an error occurred] is
displayed in Unit No.
26
2
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).
CAUTION
Do not push
button because all the trouble history of
the indoor unit will be deleted.
3
After confirmation, push
usual display.
2
3
buttons at
Installation Manual
/
button used to
button to return to the
1
EN-52
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