
Model 4525 Gate Monitor
Operator’s Manual
Ludlum Measurements, Inc.
Page 83
May 2018
Troubleshooting
Occasionally, you may encounter problems with your LMI instrument or
detector that may be repaired or resolved in the field, saving turn-around
time and expense in returning the instrument to us for repair. LMI
electronics technicians offer the following tips for troubleshooting the most
common problems. Where several steps are given, perform them in order
until the problem is corrected.
We hope these tips will prove to be helpful. As always, please call one of our
numbers if you encounter difficulty in resolving a problem or if you have any
questions. Our phone number is 325-235-9732 or our toll free 24-hour line is 1-
800-717-9506 or 1-866-420-9732.
SYMPTOM
POSSIBLE SOLUTION
Infrared Sensor Fail
1.
Check for object blocking
infrared beam.
2.
Check infrared sensor
alignment.
3.
Clean infrared sensors.
4.
Check infrared sensor signal
strength.
Section
13