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SiEN12-710A
Troubleshooting
Service Diagnosis
135
4.19 Radiation Fin Temperature Rise
Remote Control
Display
L4
Method of
Malfunction
Detection
A radiation fin temperature rise is detected by checking the radiation fin thermistor with the
compressor on.
Malfunction
Decision
Conditions
If the radiation fin temperature with the compressor on is above 93°C,
"
If a radiation fin temperature rise takes place 255 times successively, the system will be shut
down.
"
The error counter will reset itself if this or any other error does not occur during the following
60-minute compressor running time (total time).
Supposed
Causes
"
Fin temperature rise due to defective outdoor unit fan
"
Fin temperature rise due to short-circuit
"
Fin thermistor defective
"
Connector in poor contact
"
Outdoor unit PCB defective
"
Silicon grease is not applied properly on the heat radiation fin after replacing outdoor unit
PCB
Summary of Contents for 2MKS40FV1B
Page 11: ...Introduction SiEN12 710A x ...
Page 12: ...SiEN12 710A List of Functions 1 Part 1 List of Functions 1 Cooling Only 2 2 Heat Pump 4 ...
Page 17: ...Heat Pump SiEN12 710A 6 List of Functions ...
Page 25: ...Heat Pump SiEN12 710A 14 Specifications ...
Page 111: ...Instruction SiEN12 710A 100 Operation Manual ...
Page 199: ...Wiring Diagrams SiEN12 710A 188 Appendix ...
Page 203: ...SiEN12 710A iv Index ...