11 - 3
11. TROUBLESHOOTING
11.4 When alarm or warning has occurred
POINT
Configure up a circuit which will detect the trouble (ALM) signal and turn off
the servo-on (RYn0) at occurrence of an alarm.
11.4.1 Alarms and warning list
When a fault occurs during operation, the corresponding alarm or warning is displayed. If any alarm or warning
has occurred, refer to section 11.4.2 or 11.4.3 and take the appropriate action. When an alarm occurs, ALM
turns off.
After its cause has been removed, the alarm can be deactivated in any of the methods marked in the alarm
deactivation column.
Display
Name
Alarm deactivation
A90
Home positoning incomplete
warning
A92 Open battery cable warning
A96 Home position setting error
A98 Software limit warning
A99 Stoke limit warning
A9D CC-Link warning 1
A9E CC-Link warning 2
Display Name
Power
OFF ON
(Note3)
MR
Configurator
parameter
unit
(Note2)
Alarm
reset
(RES)
A9F Battery warning
A10 Undervoltage
AE0
Excessive regeneration warning
A12 Memory error 1 (RAM)
AE1
Overload warning 1
A13 Clock error
AE3
Absolute position counter warning
A15
Memory error 2
(EEP-ROM)
AE6
Servo emergency stop warning
A16
Encoder error 1
(At power on)
AE8
Cooling fan speed reduction
warning
A17 Board error
AE9
Main circuit off warning
A19
Memory error 3
(Flash-ROM)
AEC
Overload warning 2
A1A Motor combination error
Warni
ngs
AED Output watt excess warning
A20 Encoder error 2
A24 Main circuit error
A25 Absolute position erase
A30 Regenerative error
(Note 1)
(Note 1)
(Note 1)
A31 Overspeed
A32 Overcurrent
A33 Overvoltage
A35 Command pulse frequency alarm
A37 Parameter error
A45 Main circuit device overheat
(Note 1)
(Note 1)
(Note 1)
A46 Servo motor overheat
(Note 1)
(Note 1)
(Note 1)
A47 Cooling fan alarm
A50 Overload 1
(Note 1)
(Note 1)
(Note 1)
A51 Overload 2
(Note 1)
(Note 1)
(Note 1)
A52 Error excessive
A61 Operation alarm
A8A Serial communication time-out
A8D CC-Link alarm
A8E Serial communication error
Ala
rm
s
888 Watchdog
Note 1. Deactivate the alarm about 30 minutes of cooling time after removing the cause of occurrence.
2. Turns on RY(n+1)A or RY(n+3)A.
3. Clicking the "Alarm reset" button on the "Alarm display" screen of MR Configurator allows an alarm to be deactivated.
Pressing the "STOP RESET" key of the parameter unit allows an alarm to be deactivated.
Summary of Contents for MELSERVO MR-J3-xT
Page 22: ...8 MEMO ...
Page 156: ...4 46 4 SIGNALS AND WIRING MEMO ...
Page 276: ...7 26 7 MR Configurator MEMO ...
Page 324: ...10 16 10 SPECIAL ADJUSTMENT FUNCTIONS MEMO ...
Page 418: ...14 66 14 OPTIONS AND AUXILIARY EQUIPMENT MEMO ...