Chapter 1 Servo Amplifier Troubleshooting; Outline - Mitsubishi Electric MR-J5-G Series User Manual

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SERVO AMPLIFIER TROUBLESHOOTING
Precautions
• In the MR-J5 series, the alarm No. and warning No. are shown with three digits, followed by one digit indicating the detail
No. This has changed since the MR-J4 series, in which these numbers were shown with two digits and one digit,
respectively.
1.1

Outline

If an error occurs in the servo system, the corresponding alarm or warning is displayed. When an alarm occurs, ALM
(Malfunction) turns off.
If an alarm or warning is displayed, take appropriate measures according to the following:
Page 24 Handling methods for alarms/warnings
Restrictions
• The following alarms are not recorded in the alarm history.
[AL. 010.1 Voltage drop in the control circuit power]
[AL. 037 Parameter error]
[AL. 537 Parameter setting range error (safety sub-function)]
[AL. 53A Parameter verification error (safety sub-function)]
• With the exception of [AL. 0F0 Tough drive warning], warnings are not recorded in the alarm history.
• Alarms marked with "" in the "Alarm deactivation" column have the deactivation conditions shown in the following table.
Detail No. Alarm deactivation condition
030.1 Approximately 30 minutes of cooling time have passed since the cause of the alarm occurrence was removed.
042.1 Set the servo parameters as follows. When in fully closed loop control: Set [Pr. PE03.3] to "1". When a linear servo motor or a
direct drive motor is used: Set [Pr. PL04.3] to "1".
042.2
042.3
042.8
042.9
042.A
046.1 Approximately 30 minutes of cooling time have passed since the cause of the alarm occurrence was removed.
046.2
046.3
046.4
046.5
046.6
050.1
050.2
050.3
050.4
050.5
050.6
051.1
051.2
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1 SERVO AMPLIFIER TROUBLESHOOTING
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1.1 Outline