Omron 8U0108-E1-01, User Manual

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XtraDrive User Manual Chapter 9 : Inspection, Maintenance, and Troubleshooting
9-23
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A.F1: Power Line Open Phase
Display and Outputs
Alarm Outputs
Alarm Code Output
ALO1 ALO2 ALO3
ALM Output
ON ON OFF OFF
Note: OFF: Output transistor is OFF (alarm state).
ON: Output transistor is ON.
Status and Remedy for Alarm
When the main
circuit's power supply
is turned ON.
When the control
power is turned ON.
A, B C
Cause of the Problem Solution
A
One phase (L1, L2, or L3) of the main
circuit power supply is disconnected.
• Check power supply.
• Check wiring of the main
circuit power supply.
• Check MCCB, noise filter,
magnetic contactor.
B
There is one phase where the line
voltage is low.
Check power supply.
C Servo amplifier defective. Replace servo amplifier.
Note: A and B tend to occur in a servo amplifier with a capacity of 500W or higher.
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CPF00: Digital Operator Transmission Error 1
This alarm is not stored in the alarm history.
Display and Outputs
Alarm Outputs
Alarm Code Output
ALO1 ALO2 ALO3
ALM Output
Not Applicable
Status and Remedy for Alarm
When digital operator is
connected befor or after
the servo amplifier has
been turned ON.
A, B
C, D
Cause of the Problem Solution
A
Cable defective or poor contact between
digital operator and servo amplifier.
• Check connector
connections.
• Replace cable.
B Malfunction due to external noise.
Separate digital operator and
cable from noise source.
C Digital operator defective. Replace digital operator.
D Servo amplifier defective. Replace servo amplifier.