Daikin FCQ50B7V1 - Equipment Operates but Does Not Provide Heating

Troubleshooting ESIE05-04
3–12 Part 3 – Troubleshooting
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1.3.6 Equipment operates but does not provide heating
Applicable Model All models of SkyAir series
Error Detection
Method
Error Generating
Condition
Possible Cause
Q Excess charge of refrigerant
Q Air intrudes into refrigerant system
Q Faulty pressure switch
Q Faulty magnetic switch for outdoor unit fan motor
Q Faulty aux. relay for outdoor unit fan motor
Q Soiled heat exchanger of outdoor unit
Q There is an interfering item in air flow of outdoor unit
Q Malfunction of outdoor unit fan
Q Soiled air filter of indoor unit
Q Soiled heat exchanger of indoor unit
Q There is some interfering item in airflow of indoor unit
Q Malfunction of indoor unit fan