Daikin FTXN-LV Troubleshooting Manual page 37

Description Discharge pipe overheat
Supposed Cause
Troubleshooting
Description Heat exchanger overheat
Supposed Cause
TS13-01 Troubleshooting manual
- Refrigerant shortage
- Four way valve malfunctioning
- Discharge pipe thermistor defective
- Outdoor PCB defective
- Water mixed in the local piping
- EXV defective
- Stop Valve defective
- The installation space is not large enough
- Faulty outdoor unit fan
- Faulty EXV
- Faulty defrost thermistor
- Faulty stop valve
- Dirty heat exchanger
- Unit overcharge
- Working out of operating limit
F3
F6
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