Maintenance
GP Series
Rev. F 10/2011
57
6
Maintenance
Our customer service representatives are always at your disposal for
questions regarding application assistance, calibration, repair, and
solutions to specific problems. Our Service Department should be
contacted before returning any equipment to us. In many cases,
problems can be solved over the telephone. The following table lists
common symptoms, their causes, and possible solutions.
Symptom
Probable Cause
Solution
No output
No power to monitor
Check power supply
Erroneous output
Wrong output range
Correct Lo/Hi output
setting
Erroneous Temperature
Faulty sensor cable
Verify cable integrity
Erroneous Temperature
Field of view obstructed
Remove obstruction
Erroneous Temperature
Wrong signal processing
Correct peak/valley setting
Relays "chatter"
Deadband too narrow
Correct deadband setting
Table 12: Troubleshooting
