Troubleshooting Basics
6-9
KVAL 994-X Operation/Service Manual
In other words are the correct photo eyes, limit switches or ferrous sensors activated? Check the con-
troller inputs to insure the proper sensors are activated. If the controller is a PLC, an activated input is
lit. Some touch screens have inputs status also.
3.
Common Position Feedback failures:
•
Photo Eye:
Bad element or bad cable
•
Limit Switch:
Stuck, or failure
•
Wiring:
Broken, worn insulation
•
PLC:
Bad input port.
4.
Check
the
Positioning System
Follow the circuit from the
Controller
output to the
Load
and check for component
failures.
Summary of Contents for 994-X
Page 4: ...KVAL 994 X Operation Service Manual ...
Page 31: ...Safety Sign Off Sheet 1 21 KVAL 994 X Operation Service Manual ...
Page 32: ...Safety Sign Off Sheet KVAL 994 X Operation Service Manual 1 22 ...
Page 110: ...Calibration of the Back Section KVAL 994 X Operation Service Manual 3 22 ...
Page 114: ...System IT Administration KVAL 994 X Operation Service Manual 4 4 ...
Page 144: ...Collet Torque Values KVAL 994 X Operation Service Manual 5 30 ...
Page 180: ...Symptoms and Possible Causes KVAL 994 X Operation Service Manual 6 36 ...
Page 185: ......
Page 186: ......
Page 187: ......