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SiENBE04-507A
Troubleshooting
Service Diagnosis
123
4.11 DC Fan Lock
Remote
Controller
Display
E7
Method of
Malfunction
Detection
A fan motor or related error is detected by checking the high-voltage fan motor rpm being
detected by the Hall IC.
Malfunction
Decision
Conditions
The fan does not start in 30 seconds even when the fan motor is running.
The system will be shut down if the error occurs 16 times.
Clearing condition: Continuous run for about 10 minutes (normal)
Supposed
Causes
Fan motor breakdown
Harness or connector disconnected between fan motor and PCB or in poor contact
Foreign matters stuck in the fan
Troubleshooting
Check No.15
Refer to P.149
Turn off the power and
reconnect the connector.
Remove.
Replace the outdoor unit
fan motor.
Replace the outdoor unit
PCB.
(R2843)
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Fan motor connector
disconnected?
Pulse signal inputted?
Foreign matters in or
around the fan?
Get started.
Check No. 15
Check the outdoor unit PCB rpm
pulse input.
Caution
YES
NO
YES
NO
YES
NO
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...