Troubleshooting
120 Electrical Control
f. Open-circuit and short-circuit trouble of T4
g. High temperature protection of condenser
High temperature protection of condenser
Check the resistance of the temp. sensor
according to Appendix 1, is it normal?
Possible reason
1. Air or other gas in the refrigerant.
2. Heat exchanger is dirty
3. Outdoor fan or fan blade is
defective
4. Outdoor unit is bad ventilation
5. Refrigerant is leakage
Replace the sensor
No
Yes
Is connection to connector of temp. sensor good?
Check the resistance of the temp. sensor according to Appendix 1
Repair connector
No
Yes
Is it the resistance is normal?
Indoor PCB is defective.
Replace the sensor
Yes
No
To Next Page
Loading...
