Daikin FAQ90CV4A Instrukcja Obsługi Pobierz pdf (Strona 15)

3. The system operates but it does not suffi-

ciently cool or heat.

• If the air inlet or outlet of the indoor or the out-

door unit is blocked with obstacles.

Remove the obstacle and make it well-venti-

lated.

• If the air filter is clogged.

Ask a qualified service person to clean the air

filters (Refer to MAINTENANCE).

• If the set temperature is not proper (Refer to

ADJUSTMENT).

• If the FAN SPEED button is set to LOW

SPEED (Refer to ADJUSTMENT).

• If the air flow angle is not proper (Refer to AIR

FLOW DIRECTION ADJUST).

• If the doors or the windows are open. Shut

doors or windows to prevent wind from coming

in.

• If direct sunlight enters the room (when cool-

ing).

Use curtains or blinds.

• When there are too many inhabitants in the

room (when cooling).

Cooling effect decreases if heat gain of the

room is too large.

• If the heat source of the room is excessive

(when cooling).

Cooling effect decreases if heat gain of the

room is too large.

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Allan Kling 02 Jul 2025 | 04:59:03

Motor working but no heat.

Daikin FAQ90CV4A Instrukcja Obsługi Strona 15