3. TROUBLESHOOTING FOR MR-CR55K(4) RESISTANCE REGENERATION CONVERTER UNIT
3 - 1
3. TROUBLESHOOTING FOR MR-CR55K(4) RESISTANCE REGENERATION
CONVERTER UNIT
POINT
[AL. 37 Parameter error] and warnings are not recorded in the alarm history.
When an error occurs during operation, the corresponding alarm or warning is displayed. If any alarm has
occurred, refer to section 3.3 and take the appropriate action. When an alarm occurs, ALM will turn off.
If any warning has occurred, refer to section 3.4 and take the appropriate action.
3.1 Explanation for the lists
(1) No./Name
Indicates each No./Name of alarms or warnings.
(2) Alarm deactivation
After its cause has been removed, the alarm can be deactivated in any of the methods marked in the
alarm deactivation column. Warnings are automatically canceled after the cause of occurrence is
removed. Alarms are deactivated with alarm reset or cycling the power.
Alarm deactivation
Explanation
Alarm reset
Push the "SET" button on the current alarm screen of the display.
Cycling the power
Turning the power off and then turning it on again.
3.2 Alarm/warning list
Display Name
Alarm deactivation
Display
Name
Alarm reset
Cycling the
power
Warning
A.91 Converter overheat warning
A.E0 Excessive regeneration warning
Alarm
A.10 Undervoltage
A.E1 Overload warning 1
A.12 Memory error 1 (RAM)
A.E6 Converter forced stop warning
A.15 Memory error 2 (EEP-ROM)
A.E8 Cooling fan speed reduction warning
A.17 Board
error
A.19 Memory error 3 (Flash-ROM)
A.30 Regenerative
error
(Note) (Note)
A.33
Overvoltage
A.37
Parameter
error
A.38 MC drive circuit error
A.39
Open
phase
A.3A
Inrush current suppression circuit
error
A.45 Main circuit device overheat
(Note) (Note)
A.47 Cooling fan error
A.50
Overload
1
(Note)
(Note)
A.51
Overload
2
(Note)
(Note)
888
Watchdog
Note. After resolving the source of trouble, cool the equipment for approximately 30 minutes.
Содержание MELSERVO MR-J4-B-RJ Series
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