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Troubleshooting
SiENBE04-507A
136
Service Diagnosis
Troubleshooting
Check No.6
Refer to P.146
Check No.7
Refer to P.147
Check No.9
Refer to P.148
Turn off the power and turn it on
again.
Check No. 6
Check the thermistor resistance
value.
Replace the fin thermistor.
Replace the outdoor unit
PCB.
Replace the fan motor.
Correct the connectors and
fan motor leads.
Replace the outdoor unit
PCB.
Clean up the radiation fin.
(R4279)
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Error again or outdoor unit
fan activated?
Check No. 9
Check the outdoor unit
fan or related.
Radiation fin dirty?
Thermistor as
specified in its characteristic
chart?
Above 80°C?
Check the radiation fin
temperature.
Check No. 7
Check the installation condition.
To cool down the electricals, the
outdoor unit fan gets started when
the radiation fin temperature rises
above 80°C and stops itself when it
drops below 70°C.
Caution
WARNING
NO
NO
NO
YES
YES
YES
Fin thermistor
Malfunctioning
Functioning
Too dirty
Slightly dirty
Summary of Contents for FTKS20D2VMWL
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...