Instruction manual

9 - 1
9. TROUBLESHOOTING
9. TROUBLESHOOTING
POINT
As soon as an alarm occurs, turn off Servo-on (SON) and power off.
If an alarm/warning has occurred, refer to this chapter 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.
Display Name
(Note 2)
Alarm code
Alarm deactivation
AL.92 Open battry cable warning
AL.96
Home position setting
error
AL.99
Stoke limit warning
AL.9F
Battery warning
AL.E0
Excessive regeneration
warning
Display
CN1
22
(bit2)
CN1
23
(bit1)
CN1
24
(bit0)
Name
Power
OFF
ON
Press
"SET" on
current
alarm
screen.
Alarm
reset
(RES)
AL.E1
Overload warning 1
AL.10 0 1 0
Undervoltage
AL.E3
Absolute position counter
warning
AL.12 0 0 0
Memory error1 (RAM)
AL.E5
ABS time-out warning
AL.13 0 0 0
Clock error
AL.E6
Servo emergency stop
warning
AL.15 0 0 0
Memory error2
(EEP-ROM)
AL.E8
Cooling fan speed
reduction warning
AL.16 1 1 0
Encoder error1
(At power on)
AL.E9
Main circuit off warning
AL.17 0 0 0
Board error
AL.EA
ABS servo on warning
AL.19 0 0 0
Memory error3
(Flash-ROM)
AL.EC
Overload warning 2
AL.1A 1 1 0
Motor combination error
Warnings
AL.ED
Output watt excess
warning
AL.20 1 1 0
Encoder error2
AL.24 1 0 0
Main circuit error
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
Overload1
(Note 1)
(Note 1) (Note 1)
AL.51 0 1 1
Overload2
(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
Alarms
88888
Watchdog
Note 1. Deactivate the alarm about 30 minutes of cooling time after removing the cause of occurrence.
2. 0: off
1: on