7.3 Troubleshooting with no alarm generated
7-6
7. Troubleshooting
7.3 Troubleshooting with no alarm generated
Operation failure
[Condition 1] SV/ALM LEDs do not light up
No. Possible cause Confirmation/countermeasure
1 The specified power is not supplied. ● Make sure that normal voltage is secured
and wiring processing is correct.
● Also, be sure to check for disconnection
or partial disconnection in connectors
and wiring.
→ For details, refer to "3.4/3.5 Wiring
connections".
2 The unit is switched to servo OFF
with the teaching tool.
Turn ON the servo with PC software or
teaching pendant.
3 Controller breakdown ●Replace the controller cover assembly.
→ For details, refer to " Controller
replacement (page 8-20)".
●If the unit still does not recover,
contact IAI.
[Condition 2] SV/ALM LEDs light up red
No.
Possible cause
Confirmation/countermeasure
1 Alarm generated. ●Connect the teaching tool.
●Upon checking the alarm code,
resolve the cause.
→ For details, refer to "7.4 Troubleshooting
by alarm groups".
2 The stop switch of the
teaching pendant is being pressed.
Release the stop switch.
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