Download wWARNING - Yamaha Robotics

Transcript
5-1 If you suspect trouble
5-1-2 Feedback error
Feedback error
No
Any foreign matter
caught inside?
No
Much mechanical
friction?
Turn power off and
check for friction
by moving manually
Yes
No
Adjust mechanical alignment
Is brake installed?
Yes
Is brake sound
heard when turning power
on and off?
Yes
Recheck
No
Replace motor (with brake)
Repair
No
Replace power supply unit or
repair defective parts
Initialize parameters
No
Yes
Is there electrical
discontinuity?
5
No
Repair
Is 24V supplied to
brake?
Yes
Are parameters for
controller and robot OK?
Yes
Is there electrical
discontinuity?
Are wiring and connector
securely connected?
No
No
Securely connect wiring and connector
Yes
Troubleshooting
Are connector pins
securely inserted?
When feedback error is occurring, perform
continuity check
(1) Check motor power supply lines U, V and W
(2) Check encoder signal lines for phases A and B
Is wiring live?
No
Yes
Securely insert pins or
repair defective pins
Is motor resistance
OK?
No
Replace motor since motor has shorted or burnt out
Yes
Take noise reduction
measures
Is motor encoder
OK?
Yes
Yes
No
5-2
Is external
noise large?
Yes
Is controller
hardware OK?
No
Replace motor
(1) Check position shift by repetitive accuracy
measurement
(2) If replacement motor is available, check by
exchanging the motors
(1) If replacement controller is available, check by
exchanging the controllers