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Chapter 5 Troubleshooting
5-1 Alarm functions
The Alarm codes are displayed in a format such as that shown below. For any Alarm messages, refer to this section for
identify the cause and dispel the error. to reset the Alarm message by following pages description.
If this is not possible for any reason then contact your local supplier for
assistance.
Alarm Status Display
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For Alarm List refer to the section 5-2. In the example above AL-01 indicate (Under Voltage)
There is also an Alarm history which can record ten entry of alarm record.
History record is listed as alarm history record table shows.
Alarm Reset Methods
1. Carry out the suggestions below to reset Alarm.
(a) Reset by input signal: Once the cause of Alarm is rectified,
disable SON signal (Switch off Servo ON), then activate input signal ALRS.
Alarm condition should be cleared and the drive will be ready for operation.
Reference 5-6-1 for setting SON and Alarm signal.
(b) Reset from Keypad : Once the cause of Alarm is rectified,
disable SON signal (Switch off Servo ON), then press the buttons
at the same time to reset Alarm and the drive
will be ready for operation.
2. Power reset: Once the cause of Alarm is rectified, disable SON signal (Switch off Servo ON) and re-cycling power.
Alarm condition can be reset and the drive will be ready for operation.
Waning!
1) Before applying power rest, ensure that SON is off (SON signal is removed first) to prevent danger.
2) Ensure that the speed commands are removed before the alarm is reset, otherwise the motor may run
abruptly once the alarm signal is reset.
