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8. TROUBLESHOOTING
8-2 Alarms and warnings
8-2-1 Alarm 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 8-2-2 or 8-2-3 and take the appropriate action.Set
1 in parameter No. 49 to output the alarm code in ON/OFF status across the corresponding
pin and SG. Warnings (A. 92 to A. EA) have no codes. Any alarm code is output at occurrence of
the corresponding alarm. In the normal status, the signals available before alarm code setting
(CN1B-19: ZSP, CN1A-18:INP or SA, CN1A-19: RD) are output.
Display
CN1B-
19 pin
A. 10
A. 11
A. 12
A. 13
A. 15
A. 16
A. 17
A. 18
A. 20
A. 24
A. 25
A. 30
A. 31
A. 32
A. 33
A. 35
A. 37
A. 46
A. 50
A. 51
A. 52
A. 8E
8888
A. 92
A. 96
A. 9F
A. E0
A. E1
A. E3
A. E5
A. E6
A. E9
A. EA
NOTE, 0:OFF 1:ON
(Note) Alarm Code
CN1A-
CN1A-
18 pin
19 pin
Undervoltage
0
1
0
Board error1
0
0
0
0
0
0
Memory error1
0
0
0
Clock error
Memory error2
0
0
0
1
1
0
Encoder error1
0
0
0
Board error2
Board error3
0
0
0
Encoder error2
1
1
0
1
0
0
Ground fault
1
1
0
Absolute positiom erase
Regenerative error
0
0
1
1
0
1
Overspeed
1
0
0
Overcurrent
Overvoltage
0
0
1
Command pulse frequency alarm
1
0
1
0
0
0
Parameter error
0
1
1
Servo motor overheat
Overload1
0
1
1
0
1
1
Overload2
1
0
1
Error excessive
RS-232C error
0
0
0
Watchdog
0
0
0
Open battery cable warning
Zero setting error
Battery warning
Excessive regenerative load warning
Overload warning
Absolute position counter warning
ABS time-out warning
Servo emergency stop
Main circuit off warning
ABS servo on warning
Name
8– 6
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