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AR-FN3
(2) Transport motor error
2
Is load on motor
shaft normal?
YES
Is motor winding
(between U, V, and W)
shorted?
NO
Is harness
connected normally?
YES
NO
Motor rotates
even slightly?
YES
Is motor
encoder output
normal?
YES
Check main PWB and
replace if necessary.
8/19/1999
Check mechanical load
NO
and driving system.
Remove foreign matter.
YES
Replace motor.
NO
Connect harness
properly.
Is voltage
NO
applied to motor
connector?
YES
NO
Check motor and
replace if necessary.
(3) Elevator and off-set motor error
3
Is fuse blown out?
YES
Is load on motor
shaft normal?
YES
Is motor winding
shorted?
NO
Is harness
connected normally?
YES
Motor rotates
even slightly?
YES
Is motor
encoder sensor output
normal?
YES
Check main PWB and
replace if necessary.
8 – 3
NO
Replace fuse.
Check mechanical load
NO
and driving system.
Remove foreign matter.
YES
Replace motor.
NO
Connect harness
properly.
Is voltage
NO
NO
applied on motor
connector?
YES
Check motor and
replace if necessary.
Replace sensor
mounting and replace
NO
if necessary.
Check harness and
replace if necessary.
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