Equipment Operates But Does Not Provide Heating - Daikin R-410A Service Manual

Troubleshooting
1.3.6

Equipment operates but does not provide heating

1
Applicable Model
Error Detection
Method
Error Generating
Condition
Possible Cause
3 3
4
5
3–12
All models of SkyAir series
Excess charge of refrigerant
Air intrudes into refrigerant system
Faulty pressure switch
Faulty magnetic switch for outdoor unit fan motor
Faulty aux. relay for outdoor unit fan motor
Soiled heat exchanger of outdoor unit
There is an interfering item in air flow of outdoor unit
Malfunction of outdoor unit fan
Soiled air filter of indoor unit
Soiled heat exchanger of indoor unit
There is some interfering item in airflow of indoor unit
Malfunction of indoor unit fan
ESIEN05-04
Part 3 – Troubleshooting