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Service Manual SM-Inverter_(i)
42
L4
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
Summary of Contents for SM-12-012
Page 1: ...Service Manual SM Inverter_ i Air Conditioners Service Manual Split Inverter SM 12 012...
Page 22: ...Service Manual SM Inverter_ i 22...
Page 26: ...Service Manual SM Inverter_ i 26...
Page 45: ...Service Manual SM Inverter_ i 45 Troubleshooting...
Page 47: ...Service Manual SM Inverter_ i 47...
Page 50: ...Service Manual SM Inverter_ i 50 ATXN FTXN 50 60 LV1B 9 ARXN RXN50 60 LV1B 9...
Page 51: ...Service Manual SM Inverter_ i 51 Refrigerant Diagram ATXN FTXN 25 35 50 60 LV1B 9...