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Status and remedy for alarm, A.83, Display and outputs – Yaskawa MP940 User Manual

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SERVOPACK Inspection, Maintenance, and Troubleshooting

10.2.1 Troubleshooting Problems with Alarm Displays

10-16

Status and Remedy for Alarm

„

A.83

A.83: Absolute Encoder Battery Error

Display and Outputs

Note: OFF: Output transistor is OFF (alarm state).

Status and Remedy for Alarm

Note: No alarm will occur at the SERVOPACK if the battery error occurs

during operation.

Cause

Remedy

A

Error during encoder memory
check

• Follow absolute encoder set-up procedure.
• Replace servomotor if error occurs fre-

quently.

B

Circuit board (1PWB) defective.

Replace SERVOPACK.

Alarm Outputs

Alarm Code Outputs

ALM Output

ALO1

ALO2

ALO3

OFF

OFF

OFF

OFF

Cause

Remedy

A

• Battery not connected
• Battery connection defective

Check and correct battery connection.

B

Battery voltage below specified
value.
Specified value: 2.7 V.

Install a new battery while the control power
to SERVOPACK is ON. After replacement,
turn ON the power again.

C

Circuit board (1PWB) defective.

Replace the servomotor.

A,B

A

A,B

At power ON

During operation

When SEN signal turned ON;

Pn002.2 = 0 or 2

Pn002.2 = 1

A,B,C

C

At power ON

Pn002.2 = 0 or 2