When The Clean Filter Display; Lights Up / Flashes; Is Lit - Mitsubishi Heavy Industries SC-SL2NA-E Anwenderhandbuch

When the Clean Filter Display

❚ This shows that it is time to clean the air fi lter. Clean the air fi lter.
For details on how to clean the fi lter, 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 fi lter
display lights or fl ashes.
Note
• If there is even one abnormal unit, the indoor unit number for fi lter cleaning can not be checked.
• If the displayed unit number requires fi lter cleaning, the clean fi lter display fl ashes.
Method for Checking the Indoor Unit Number for Which Clean Filter
1. Press the CHECK button.
The display fl ashes and the indoor unit number requiring fi lter cleaning and its group number (for an
indoor unit managed as an individual unit, "--") are displayed.
<When there is more than one unit requiring fi lter 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 fi lter display are lit, the display priority order is 1 to 5 on the next
page.
3 2
– 32 –

Lights Up / Flashes

1, 3

Is Lit