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RayTek MARATHON MM SERIES - Maintenance; Troubleshooting Minor Problems

RayTek MARATHON MM SERIES
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Maintenance
Marathon MM Rev. D7 Jul 2017 81
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.
To prevent possible electrical shock, fire or personal injury follow these guidelines:
Have an approved technician repair the product.
11.1 Troubleshooting Minor Problems
Symptom
Probable Cause
Solution
No output
No power to instrument
Check the power supply
Erroneous temperature
Faulty sensor cable
Verify cable continuity
Erroneous temperature
Field of view obstruction
Remove the obstruction
Erroneous temperature
Window lens
Clean the lens
Erroneous temperature
Wrong emissivity
Correct the setting
Temperature fluctuates
Wrong signal processing
Correct Peak/Valley Hold or Average settings
Table 11: Troubleshooting

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