User`s manual

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When the Clean Filter Display Lights Up / Flashes
Z This shows that it is time to clean the air filter. Clean the air filter.
For details on how to clean the filter, see the user’s manual that came with the air conditioner.
The cumulative running time for even one of the connected indoor units reaches the set time, the clean filter
display
lights or flashes.
Note
If there is even one abnormal unit, the indoor unit number for filter cleaning can not be checked.
If the displayed unit number requires filter cleaning, the clean filter display flashes.
Method for Checking the Indoor Unit Number for Which Clean Filter Is Lit
3 2 1, 3
1. Press the CHECK button.
The
display flashes and the indoor unit number requiring filter cleaning and its group number (for an
indoor unit managed as an individual unit, “--”) are displayed.
<When there is more than one unit requiring filter cleaning>
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
display lights up. The display returns to the running state of the indoor unit being displayed.
Note
When both the maintenance display and the clean filter display are lit, the display priority order is 1 to 5 on the next
page.
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