Air Conditioner - Indoor unit displays DF and heating operation stops

Issue

Air Conditioner Indoor unit displays DF

Heating operation stops suddenly

Applies to

  • Air Conditioner - Split System

Solution

DF on the display indicates the unit has entered into defrost mode.

In HEAT mode, the indoor unit temporarily stops for maximum of 10 minutes to perform the automatic defrosting operation.

Note: A Mist come out of the indoor unit due to moisture generated from defrosting process when the air conditioner restarts in HEAT mode operation after defrosting.

Defrosting

When there is too much frost on outdoor condenser, the complete unit will enter into an automatic defrost function. During defrosting process, DF is displayed. Note: The unit will operate for a minimum of (23 minutes) between each defrost function

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