Troubleshooting
SiENBE04-401A
118
Service Diagnosis
4.9
DC Fan Lock
Remote control
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 5 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.144
(R2843)
Caution
YES
YES
NO
YES
NO
NO
Turn off the power and
reconnect the connector.
Remove.
Replace the outdoor unit
fan motor.
Replace the outdoor unit
PCB.
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Fan motor connector
disconnected?
Foreign matters in or
around the fan?
Get started.
Pulse signal inputted?
Check No. 15
Check the outdoor unit PCB rpm
pulse input.
Summary of Contents for FTKS20CVMB
Page 19: ...List of Functions SiENBE04 401A 10 List of Functions...
Page 45: ...Specifications SiENBE04 401A 36 Specifications...
Page 81: ...Control Specification SiENBE04 401A 72 Function and Control...
Page 111: ...Instruction SiENBE04 401A 102 System Configuration...
Page 155: ...Check SiENBE04 401A 146 Service Diagnosis...
Page 225: ...Outdoor Unit RK X H C ARK X H C R Y N C SiENBE04 401A 216 Removal Procedure...
Page 229: ...Others SiENBE04 401A 220 Others...