Troubleshooting 4-5
Motor does not Start.
F122 I/O Board Fail
➁
Failure has been detected in the
drive control and I/O section.
1. Cycle power.
2. Replace drive if fault cannot be
cleared.
(1)
See page 4-1 for a description of fault types.
No. Fault
Type
(1)
Description Action
Common Symptoms and Corrective Actions
Cause(s) Indication Corrective Action
No output voltage to the motor. None Check the power circuit.
• Check the supply voltage.
• Check all fuses and disconnects.
Check the motor.
• Verify that the motor is
connected properly.
Check the control input signals.
• Verify that a Start signal is
present. If 2-Wire control is used,
verify that either the Run
Forward or Run Reverse signal
is active, but not both.
• Verify that I/O Terminal 01 is
active.
• Verify that P036
[Start Source]
matches your configuration.
• Verify that A166
[Reverse
Disable] is not prohibiting
movement.
Drive is Faulted Flashing red status light Clear fault.
• Press Stop
• Cycle power
• Set A197
[Fault Clear] to option 1
“Clear Faults”.
• Cycle digital input if T051
- T054
[Digital Inx Sel] is set to option 7
“Clear Fault”.
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