Si20-701_B Symptom-based Troubleshooting
44
2.7 Equipment Operates but does
not Provide Heating
Applicable Model
All models of SkyAir series
Supposed Causes
îš„ Wrong selection of model
îš„ Refrigerant shortage
îš„ Insufficient airflow in the indoor unit
îš„ Decrease of low pressure
∗ In addition, the following errors may be conceivable
• Insufficient compression of the compressor
• Insufficient circulation of refrigerant
• Defective electronic expansion valve