6-3 Troubleshooting
6-3-2 Error Diagnosis using the Operating Status
Problem
Likely cause
Items to check
Countermeasures
The Servomotor Power
Cable or Encoder Cable is
wired incorrectly.
Check the wiring of the Servomotor
Power Cable’s U, V, and W phases
and check the Encoder Cable’s
wiring.
Wire correctly.
Check the mechanical system’s
coupling section.
There coupling system
between the Servomotor
shaft and the mechanical
system has eccentricities or
looseness, or the torque is
fluctuating due to varying
engagement between pulleys
or gears.
Try operating the Servomotor
without a load. (Disconnect it from
the mechanical system.)
Review and adjust the
machinery.
The load’s moment of inertia
exceeds the Servo Driver’s
allowed value.
Try operating the Servomotor
without a load. (Disconnect it from
the mechanical system.)
•
Lighten the load.
•
Replace the Servomotor
and Servo Driver with
higher capacity Units.
Check the pulse signal wiring at
the Controller and Servo Driver.
Wire correctly.
Servomotor operation
is unstable.
The pulse signal line’s
connections are loose.
Check the Controller’s command
pulse type and the Servo Driver’s
command pulse type.
Set the Servo Driver’s pulse
type to match the Controller’s
command pulse type.
The ambient temperature is
too high.
Verify that the ambient temperature
around the Servomotor is below
40°C.
Lower the ambient
temperature to 40°C or less.
(Use a cooler or fan.)
Ventilation is obstructed.
Check to see whether anything is
blocking ventilation.
Improve ventilation.
The Servomotor is
overloaded.
Servomotor is
overheating.
The Servomotor is vibrating.
Try operating the Servomotor
without a load. (Disconnect it from
the mechanical system.)
•
Lighten the load.
•
Replace the Servomotor
and Servo Driver with
higher capacity Units.
The holding brake is
ineffective.
Power is being supplied to
the holding brake.
Check whether power is being
supplied to the holding brake.
Configure a circuit that cuts
power to the holding brake
when the motor stops and the
load will be held by the holding
brake.
The load inertia is too large.
Check the following:
•
Is the load too large?
•
Is the Servomotor speed too
high?
Re-evaluate the load
conditions and replace the
Servo Driver with an
appropriate model if
necessary.
The Run command
(RUN) is turned OFF
while the Servomotor is
rotating, but the
Servomotor doesn’t
stop or is hard to stop.
The stop circuit failed.
---
Replace the Servo Driver.
6-9
Содержание SMARTSTEP Junior R7D-ZP
Страница 3: ...2 ...
Страница 18: ...Section 1 Configuration Features and System ...
Страница 25: ...1 5 Applicable Standards 1 5 2 UL and cUL Standards 1 8 ...
Страница 26: ...Section 2 Dimensions Standard Models and ...
Страница 36: ...Section 3 Specifications ...
Страница 62: ...Section 4 System Design ...
Страница 86: ...Section 5 Operation ...
Страница 96: ...Section 6 Troubleshooting ...
Страница 109: ...6 5 Periodic Maintenance 6 5 3 Replacing the Cooling Fan 6 14 ...
Страница 110: ...Appendix ...