68
7 Maintenance and Service
7-1.Troubleshooting
■
Power cannot be turned ON.
■
The stage does not move.
Solutions are indicated for each symptom. Please check before making an
inquiry.
Things to be checked
Solution
Relevant
pages
Is the power cable pulled out or
loosened?
Plug the power cable into the main body securely.
10
Is the fuse broken?
Disconnect all connected cables and check whether the fuse is broken inside the power
plug. If a fuse is broke, it is necessary to replace with a new one.
9
Is the power cable broken en route? Check conductivity between both ends of the cable if you have a tester.
―
Plug the power cable of other electric appliance into the outlet to check if it works.
―
Check electrification with a voltmeter such as a tester.
―
Is power conducted to the outlet?
Things to be checked
Solution
Relevant
pages
Is the motor generating any strange
noise?
(High, dull noise)
Out-of-adjustment may have occurred due to the following reasons.
➡
If drive speed is too fast.
Our company’s stages cater to speed up to 10[kpps] in half-step. Check the micro-
step divisions and speed table settings.
➡
If the driving current is too big.
Set the driver output current.
12 to 14
Is the limit display (CWLS/CCWLS)
light on?
It is stopped by the limit switch. Move in the reverse direction and move through the limit
zone.
9
Is the emergency stop signal LED
(EMG) on?
Emergency stop signal is detected. Release the emergency stop switch after resolving
the cause of the emergency stop.
If emergency stop is not used, connect the short plug.
9,10 to 16
Is the emergency stop signal LED
(EMG) flashing?
System abnormality. Refer to “System Abnormality Return Method” and initialize the data
70
Is the motor cable detached or
loose?
Securely plug the cable connector into the main body connector.
9, 10
Are all the axes not moving?
If some axes move and the others do not, exchange the connection connector of each
axis (Motor) to judge if the problem is on the main body side or motor side.
9, 10
Aren't you trying to move an
excitation OFF axis?
Set system №61 to “1”. Alternatively, turn excitation ON with a COF command.
30, 59
Things to be checked
Solution
Relevant
pages
Check if it operates with other driving methods.
29
Check the command format.
25 to 27, 35
Check the origin return method is
correct.
See "3-6. Origin Return Method" and set to match the stage's sensor configuration.
17
Doesn't the motor operate
completely?
■
Origin return action is not conducted correctly.
(1/2)