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Troubleshooting
SiEN12-710A
114
Service Diagnosis
Troubleshooting
Check No.01
Refer to P.146
(R7133)
YES
YES
NO
YES
YES
NO
YES
NO
NO
YES
NO
YES
NO
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Does fan
rotate smoothly?
Is
rotation
number command
pulse generated?
Is
motor power
voltage DC 200V
generated?
Is
motor control
power voltage DC
15V generated?
Is
rotation
number
command voltage DC
1~6V generated?
Is
rotation
number command
pulse generated?
Turn off power supply
and rotate fan by hand.
Turn power ON and
operate fan.
Turn off power supply and
disconnect fan motor
connector, then turn
power ON.
Stop fan motor.
Turn off power supply and
disconnect fan motor
connector, then turn
power ON again.
Does it rotate?
Check No.01
Check output of fan
motor connector
Check No.01
Check output of fan
motor connector
Check No.01
Check output of fan
motor connector
Check No.01
Check output of fan
motor connector
Replace fan motor.
Replace indoor unit
PCB.
Replace indoor unit
PCB.
Replace fan motor.
Note : Motor may
break when
the motor
connector is
disconnected
while
remaining
power supply.
Replace indoor unit
PCB.
Replace indoor unit
PCB.
Replace fan motor.
Replace fan motor
and indoor 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 ...