CHAPTER 7 MAINTENANCE AND INSPECTION

6. Memory Error

[Display]

dE

[Description of detected alarm]

The parameter data stored in the servo amplifier is damaged.

[Cause and remedy]

Cause

Failure of stored data

The parameter overwriting frequency has

exceeded 100,000 cycles.

Remedy

 Using the PC Loader, read parameters and

enter those indicated in red.

 Initialize parameters.

 If restoration is not obtained with the actions

above, replace the servo amplifier.

Replace the servo amplifier.

(Store the parameters which are overwritten

frequently to PA2_80 to 85, parameter in RAM

1 to 6.)

7

7. Fuse Blown

[Display]

Fb

[Cause and remedy]

Cause

The fuse is diconnected.

[Description of detected alarm]

The fuse in the servo amplifier main circuit is

disconnected.

Remedy

Replace the servo amplifier.

The main circuit fuse is used to prevent secondary disaster including fire.

Customers are not allowed to replace the fuse. Contact us before turning on the power.

8. Motor Combination Error

[Display]

[Description of detected alarm]

cE

The capacity and model of the servo amplifier do not agree

with those of the connected servomotor.

[Cause and remedy]

Cause

Remedy

The capacity and model of the servo Check the capacity and model of the servomotor and

amplifier do not agree with those of those of the servo amplifier.

the servomotor.

For details, refer to “Combination between Servomotor and Servo Amplifier” in “CHAPTER 0

INTRODUCTION“.

7-8 Troubleshooting Method