Troubleshooting - Magnescale LY71 Handbuch

9. Troubleshooting

When the unit does not work properly, check the following before calling a Magnescale Co., Ltd.
Representative for service.
The power cannot be
turned on.
(Unstable power connection)
is displayed
(Alarm)
is displayed
(Alarm)
No counting
Erroneous counting
(The unit sometimes miscounts)
Accuracy cannot be
obtained
Cannot detect reference
point
When the cause of the above is known, take appropriate measures.
If you suspect a malfunction, check to see if the measuring unit has overrun or other problem has occurred,
then check the software version and contact the service center.
Checking the software version number
• Power ON → → Press the
• Press any key. The display returns to
Cleaning
To clean the display and casing:
Wipe with a dry cotton cloth
LY71
• Disconnect the AC adaptor, and then reconnect after 1 to 2 minutes.
H
•
Check the connection and conduction of the power cord.
• Check that the power voltage range is correct.
• Check the connection and conduction of the power cord.
• Check for high noise levels. (Try replacing with a normal axis.)
H
• Disconnect the AC adaptor, and then reconnect after 1 to 2 minutes.
• Perform resetting operation.
• Check that the measuring unit signal connector is secured by screws.
• Check that the conduit cable is not damaged or disconnected.
•
Check to see if the measuring unit has moved faster than the maximum
H
response speed, or if there was a large vibration.
•
Check for high noise levels. (Try replacing with a normal axis.)
• Disconnect the AC adaptor, and then reconnect after 1 to 2 minutes.
• Perform resetting operation.
• Disconnect the AC adaptor, and then reconnect after 1 to 2 minutes.
H
• Check to see if the measuring unit signal connector is loosely coupled.
(Try replacing with a normal axis.)
•
Disconnect the AC adaptor, and then reconnect after 1 to 2 minutes.
• Check to see if the measuring unit signal connector is loosely coupled.
• Check that the ground wire is properly connected to the ground. Also
H check for rust or breakage.
• Check that the power is in the specified range. (Use an automatic AC
voltage regulator (AVR) to keep the power voltage within the specified
range.)
• Check that the unit is grounded correctly.
• Check to see if the unit occasionally miscounts.
•
Check for any mechanical trouble that may affect accuracy.
H
(Any trouble due to machine adjustment, sagging or play)
• Check to see if there is a significant temperature difference between
the measuring unit, machine and work.
H • Check that the reference point detection position is correct.
• Check that the reference point detection direction is correct.
key → The version number is displayed.
** ** ( ** **
.
To remove heavy dirt:
Use diluted neutral
detergent
: version)
23
(E)