Troubleshooting - Sony LH61 Bedienungsanleitung

10. Troubleshooting

The power cannot be turned on.
(Unstable power connection)
is displayed.
(Alarm)
is displayed.
(Alarm)
No counting
Erroneous counting
Accuracy cannot be obtained
Cleaning
To clean the display and casing:
Use dry cotton cloth
X
Y
Z
ON
POWER
OFF
74
When the unit does not work properly, check the following before calling Sony Precision
Technology Representative for service.
• Turn off the power switch and turn it on 1 to 2 minutes later.
• Check the connection and continuity of the power cable.
• Check for the proper range of power voltage.
• Check the connection and continuity of the power cable.
• Check for high level noises.
(Replace with a normal axis.)
• Turn off the power switch and turn it on 3 seconds later.
• Perform resetting operation.
• Check the scale signal connector is secured by screws.
• Check the conduit cable is not damaged or disconnected.
• Check to see if the scale has moved faster than the maximum response speed.
• Check for any severe vibration.
• Check for high level noises.
(Replace with a normal axis.)
• Turn off the power switch and turn it on 3 seconds later.
• Perform resetting operation.
• Turn off the power switch and turn it on 3 seconds later.
• Check to see if the scale signal connector is loosely coupled.
(Replace with a normal axis.)
• Turn off the power switch and turn it on 3 seconds later.
• Check to see if the scale signal connector is loosely coupled.
• Check for poor grounding due to rust or breakage.
• Check the power voltage is in the specified range.
(To keep power voltage within the specified range, use an automatic AC
voltage regulator.)
• Check that the grounding is made correctly.
• Check to see if the unit occasionally miscounts.
• Check for any mechanical trouble that may affect accuracy.
(Any trouble due to machine adjustment, deflection or play).
• Check to see if the temperature difference between the scale, machine and
workpiece is great.
BH PRG REF
RESET
INC
mm F SET START
S
X L H
PRINT
7 8 9 P
RESET
INC
4 5 6 C L
mm Y
1 2 3
RESET
Z 0
INC
mm
inch mm LH61
To remove heavy dirt:
Use diluted neutral detergent Do not use