No cooling or heating air from the unit

What does No cooling or heating mean?

The air conditioner is running but is not effectively cooling or heating the room. This can be caused by dirty air filters, blocked air intakes or outlets, or incorrect temperature settings.

• Dirty air filter
• Blocked air intakes or outlets of the air conditioner
• Temperature setting is not appropriate for desired effect

Click steps to track your progress.

1. 1

   Verify that the temperature setting on the remote control is appropriate for cooling or heating.

2. 2

   Check if the air filter is dirty and clean it if necessary according to the maintenance instructions (not in this excerpt).

3. 3

   Ensure that the air intakes and outlets of the indoor and outdoor units are not blocked by curtains, furniture, or debris.