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9. TROUBLESHOOTING
9. TROUBLESHOOTING
POINT
As soon as an alarm occurs, turn off Servo-on (SON) and power off.
Refer to section 15.6 for the servo amplifiers of 30k to 55kW.
If an alarm/warning has occurred, refer to section 9.1 to 9.3 and remove its cause. In case of a trouble
without an alarm/warning, refer to section 9.4 and remove its cause.
9.1 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 9.2 or 9.3 and take the appropriate action. When an alarm occurs, ALM turns off.
Set "
1" in parameter No.PD24 to output the alarm code is outputted by ON/OFF of bit0 to bit2. Warnings
(AL.92 to AL.EA) have no alarm codes. Any alarm code is output at occurrence of the corresponding alarm. In
the normal status, the alarm code is not output.
After its cause has been removed, the alarm can be deactivated in any of the methods marked
in the alarm
deactivation column.
(Note 2)
Alarm deactivation
Display Name
Alarm code
Warnings
AL.92
Battery cable
Power
OFF
ON
Press disconnection warning
Display CN1 CN1 CN1 Name "SET" on Alarm
AL.96
Home position setting
22 23 24 current reset error
(bit2) (bit1) (bit0) alarm (RES) AL.99 Stroke limit warning
screen. AL.9F Battery warning
Alarms
AL.10 0 1 0 Undervoltage
AL.E0
Excessive regeneration
AL.12 0 0 0 Memory error 1 (RAM) warning
AL.13 0 0 0 Clock error AL.E1 Overload warning 1
AL.15 0 0 0 Memory error 2 (EEP-ROM)
AL.E3
Absolute position counter
AL.16 1 1 0
Encoder error 1
warning
(At power on) AL.E5 ABS time-out warning
AL.17 0 0 0 Board error
AL.E6
Servo emergency stop
AL.19 0 0 0
Memory error 3
warning
(Flash-ROM)
AL.E8
Cooling fan speed
AL.1A 1 1 0 Motor combination error reduction warning
AL.20 1 1 0
Encoder error 2
AL.E9 Main circuit off warning
(during runtime) AL.EA ABS servo on warning
AL.21 1 1 0
Encoder error 3
AL.EC Overload warning 2
(during runtime)
AL.ED
Output watt excess
AL.24 1 0 0 Main circuit error warning
AL.25 1 1 0 Absolute position erase
AL.30 0 0 1 Regenerative error
(Note 1)
(Note 1)
(Note 1)
AL.31 1 0 1 Overspeed
AL.32 1 0 0 Overcurrent
AL.33 0 0 1 Overvoltage
AL.35 1 0 1
Command pulse frequency
alarm
AL.37 0 0 0 Parameter error
AL.45 0 1 1 Main circuit device overheat
(Note 1)
(Note 1)
(Note 1)
AL.46 0 1 1 Servo motor overheat
(Note 1)
(Note 1)
(Note 1)
AL.47 0 1 1 Cooling fan alarm
AL.50 0 1 1 Overload 1
(Note 1)
(Note 1)
(Note 1)
AL.51 0 1 1 Overload 2
(Note 1)
(Note 1)
(Note 1)
AL.52 1 0 1 Error excessive
AL.8A 0 0 0
Serial communication time-
out
AL.8E 0 0 0 Serial communication error
88888 Watchdog
Note 1. Deactivate the alarm about 30 minutes of cooling time after removing the cause of occurrence.
2. 0: off
1: on