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12-15
12 Troubleshooting and Maintenance
G5 Series AC Servo Drives With Built-in EtherCAT Communications, Linear Motor Type
1
2
-4 T
ro
u
b
lesh
oo
ting
12
12-4-1
T
rou
b
leshoo
ting w
ith Error Displa
ys
29
1
Error Counter
Overflow 1
The value that is obtained by dividing the
absolute encoder position (in pulses) by the
electronic gear ratio exceeded
2
31
(2,147,483,648) during the initialization of
position data.
*5
Review the operation range of the absolute
encoder position and the electronic gear
ratio.
2
Error Counter
Overflow 2
The position error in pulses exceeded
2
29
(536,870,912). Alternatively, the
position error in command units exceeded
2
30
(1,073,741,824).
•
Check to see if the Linear Motor operates
according to the position command.
•
Check on the force monitor to see if the
output force is not saturated.
•
Adjust the gain.
•
Maximize the Force Limit setting being
used.
•
Wire the external encoder as shown in the
wiring diagram.
30
0
Safety Input
Error
At least one of the input photocouplers for
safety inputs 1 and 2 turned OFF.
Check the input wiring of safety inputs 1
and 2.
33
0
Interface
Input
Duplicate
Allocation
Error 1
There is a duplicate setting in the input
signal (IN1, IN2, IN3, and IN4) function
allocations.
Allocate the functions to the connector pins
correctly.
1
Interface
Input
Duplicate
Allocation
Error 2
There is a duplicate setting in the input
signal (IN5, IN6, IN7, and IN8) function
allocations.
2
Interface
Input
Function
Number
Error 1
There is an undefined number specification
in the input signal (IN1, IN2, IN3, and IN4)
function allocations. Alternatively, a logic
setting error was detected.
3
Interface
Input
Function
Number
Error 2
There is an undefined number specification
in the input signal (IN5, IN6, IN7, and IN8)
function allocations. Alternatively, a logic
setting error was detected.
4
Interface
Output
Function
Number
Error 1
There is an undefined number specification
in the output signal (OUTM1) function
allocation.
5
Interface
Output
Function
Number
Error 2
There is an undefined number specification
in the output signal (OUTM2) function
allocation.
8
External
Latch Input
Allocation
Error
There is an error in the latch input function
allocation.
•
The function was allocated to input signals
other than IN5, IN6, or IN7.
•
The function was allocated to NC.
•
The function was not allocated for all
control modes.
Error No. (hex)
Name
Cause
Measures
Main
Sub