CHAPTER 7 MAINTENANCE AND INSPECTION
7-8
Troubleshooting Method
7
6. Memory Error
[Display] [Description of detected alarm]
[Cause and remedy]
Cause Remedy
Failure of stored data
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.
The parameter overwriting frequency has
exceeded 100,000 cycles.
Replace the servo amplifier.
(Store the parameters which are overwritten
frequently to PA2_80 to 85, parameter in RAM
1 to 6.)
7. Fuse Blown
[Display] [Description of detected alarm]
[Cause and remedy]
Cause Remedy
The fuse is diconnected. 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]
[Cause and remedy]
Cause Remedy
The capacity and model of the servo
amplifier do not agree with those of
the servomotor.
Check the capacity and model of the servomotor and
those of the servo amplifier.
For details, refer to “Combination between Servomotor and Servo Amplifier” in “CHAPTER 0
INTRODUCTION“.
The capacity and model of the servo amplifier do not agree
with those of the connected servomotor.
The parameter data stored in the servo amplifier is damaged.
dE
cE
The fuse in the servo amplifier main circuit is
disconnected.
Fb
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