SiENBE04-507A
Troubleshooting
Service Diagnosis
137
4.21 Radiation Fin Temperature Rise
Remote
Controller
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 90°C.
If a radiation fin temperature rise takes place 4 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
Summary of Contents for FTKS20DVMW(L)
Page 10: ...SiENBE04 507A List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Page 85: ...Control Specification SiENBE04 507A 76 Function and Control...
Page 159: ...Check SiENBE04 507A 150 Service Diagnosis...
Page 215: ...Others SiENBE04 507A 206 Others...
Page 221: ...Wiring Diagrams SiENBE04 507A 212 Appendix...
Page 225: ...SiENBE04 507A iv Index...