Using Sensors to Trouble Shoot
6-21
KVAL 994-X Operation/Service Manual
Using Sensors to Trouble Shoot
• Photo Sensors often get dirty. Make sure they are clean. If they are not clean, debris
may block the signal or provide a false signal.
• Check output voltages of the sensors in the
active
mode. The voltage should effec-
tively equal
0 VDC
• Check the output voltages of the sensors in
inactive
mode.The voltage should effec-
tively equal
24 VDC
The distance from an eye to the door should be in range. Typically the range should be
3/4'' to 7/8'' from the top of all eyes to the door.
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 ...
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