User`s manual

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When the Maintenance Display Lights Up or Flashes
Z The time for periodic inspection has come.
If there is one or more units being managed that requires inspection, the maintenance display lights up or
flashes. Notify your dealer of the contents displayed.
The maintenance display
lights up.
The maintenance display
and “1” light up.
The maintenance display
and “2” light up.
The maintenance display
and “BACKUP” light up.
Caution
Please request your dealer to perform the inspection. This inspection is important for maintenance. Please take
care of this promptly.
Continued use without inspection leads to breakdown.
Note
If there is even one abnormal unit, the indoor unit number for maintenance can not be checked.
If the displayed unit number requires maintenance, the maintenance display flashes.
Method for Checking the Indoor Unit Number for Which the Maintenance Display Is Lit
3 2 1, 3
1. Press the CHECK button.
The
flashes and the indoor unit number requiring periodic inspection and its group number (for an
indoor unit managed as an individual unit, “--”) are displayed.
<When there is more than one unit requiring periodic inspection>
2. Press the
button.
From the one whose priority is high (1 to 5 on page 33), the indoor unit numbers are displayed from smaller to
larger. Pressing the
button has the opposite effect.
3. Press the CHECK button or the ALL / GROUP / ONE button.
The
lights up. The display returns to the running state of the indoor unit being displayed.
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Maintenance display section