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MDS-D-SVJ3/SPJ3 Series Instruction Manual
6-3 Troubleshooting
Alarm No.
1B
Sub side detector: Error 1
The machine side detector (CN3 side) detected an error. As details differ for each detector, refer to "Detec-
tor alarm" in 6-2-1.
Investigation details Investigation results Remedies SV SP
1
Check whether the servo axis has
moved and the spindle has rotated
when an alarm occurred.
The axis has operated. Check the investigation item No. 3.
The axis has not operated. Check the investigation item No. 2.
2
Check whether the operation at low
speed is normal.
The operation is normal. Check the investigation item No. 3.
The operation is not normal.
Check the cautions at power ON.
[1] Wiring check
[2] Parameter check
3
Jiggle the detector connectors (drive
unit side and detector side) and check
if they are disconnected.
The connector is disconnected (or
loose).
Correctly install.
The connector is not disconnected. Check the investigation item No. 4.
4
Turn the power OFF, and check the
detector cable connection with a tes-
ter.
The connection is faulty. Replace the detector cable.
The connection is normal. Check the investigation item No. 5.
5
Replace with another unit, and check
whether the fault is on the unit side or
detector side.
The alarm is on the drive unit side. Replace the drive unit.
The alarm is on the detector side. Check the investigation item No. 6.
6
Check if there is any abnormality in the
detector's ambient environment.
(Ex. Ambient temperature, noise,
grounding)
Take remedies according to the causes of the abnormality in the ambient en-
vironment.
Alarm No.
1C
Sub side detector: Error 2
The machine side detector (CN3 side) detected an error. As details differ for each detector, refer to "Detec-
tor alarm" in 6-2-1.
Investigation details Investigation results Remedies SV SP
1 Check the alarm No. "1B" items.
Alarm No.
1D
Sub side detector: Error 3
The machine side detector (CN3 side) detected an error. As details differ for each detector, refer to "Detec-
tor alarm" in 6-2-1.
Investigation details Investigation results Remedies SV SP
1 Check the alarm No. "1B" items.
Alarm No.
1E
Sub side detector: Error 4
The machine side detector (CN3 side) detected an error. As details differ for each detector, refer to "Detec-
tor alarm" in 6-2-1.
Investigation details Investigation results Remedies SV SP
1 Check the alarm No. "1B" items.