Daikin FTXN-LV Troubleshooting Manual page 44

Inverter split wall mounted type l-series
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Description
Heat sink overheat
Supposed Cause
- Fin temperature rise due to short circuit
- Fin temperature rise due to defective outdoor unit fan
- Fin thermistor defective
- Connector in poor contact
- Outdoor unit PCB defective
- Silicon grease is not applied properly on the hat radiation fin after replacing outdoor unit
PCB.
Troubleshooting
TS13-01 Troubleshooting manual
L4
44

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