Maintenance; Troubleshooting Minor Problems; Fail-Safe Operation; Table 10: Troubleshooting - Fluke Endurance Series User Manual

11. Maintenance

Our sales representatives and customer service are always at your disposal for questions
regarding application assistance, calibration, repair, and solutions to specific problems. Please
contact your local sales representative if you need assistance. In many cases, problems can
be solved over the telephone. If you need to return equipment for servicing, calibration, or
repair, please contact our Service Department before shipping. Phone numbers are listed at
the beginning of this document.

11.1. Troubleshooting Minor Problems

Symptom
No output
Erroneous temperature
Erroneous temperature
Erroneous temperature
Erroneous temperature
Temperature fluctuates

11.2. Fail-Safe Operation

The Fail-Safe system is designed to alert the operator and provide a safe output in case of any
system failure. Basically, it is designed to shut down the process in the event of a set-up error,
system error, or a failure in the sensor electronics.
1.800.561.8187

Table 10: Troubleshooting

Probable Cause
No power to instrument
Faulty sensor cable
Field of view obstruction
Window lens
Wrong slope or emissivity
Wrong signal processing
Warning
The Fail-Safe circuit should never be relied on exclusively to protect critical
heating processes. Other safety devices should also be used to supplement
this function!
www.
Solution
Check the power supply
Verify cable continuity
Remove the obstruction
Clean the lens
Correct the setting
Correct Peak Hold or Average settings
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Maintenance
Troubleshooting Minor Problems
89