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8 Troubleshooting
8.1 Problem Isolation Checkout Procedure
This is an outline of what to do if the LumaSense E
correctly after initial installation. Follow the procedures below to determine the problem. Do
not hesitate to contact the factory for assistance. (Refer to Section 1.5 for more information.)
Warning: At no time should the cover be removed unless the power is switch-off
first. When it is necessary to service the instrument with the power applied, ensure
that proper safe environmental conditions exists and that such maintenance is
authorized and pursuant to safe conditions.
8.1.1
Sight Path and Optical Alignment
Ensure that the QUASAR M8100-EXP is aligned properly by looking into the eyepiece. The
circular reticle in the center of the field of view should be sighted at the target. Look for any
blockage in the sight path that would reduce the energy received by the
QUASAR M8100-EXP.
Without a clear optical path, the infrared energy from a target cannot reach the detector. If the
lens becomes smeared, smudged, or otherwise dirty, excessive attenuation of the signal may
occur.
The internal optics seldom becomes dirty with normal use. Rarely will cleaning of the internal
optics be necessary.
8.1.2
Power Input
Look for status LED operation; if the electronics are powered properly, one of the LEDs will be
lit.
Verify that the input power is connected properly and that the ratings correspond to the
instrument's rating.
See Chapter 3, Electronic Installation, for details on connections and rating.
8.1.3
Power Fuse
If the Power input has been checked and neither LED is on, then there is a possibility of a blown
Fuse(s). This can easily be checked by inspection. Fuses marked F1 and F2 (if equipped) are
located on the Output PCB just under TB1. Inspect and check for an open condition.
8.1.4
Instrument Loops
Check that the mA signal is being transmitted through the loop to the control room display. To
verify the signal from the instrument, disconnect the mA control room loop wires from TB2 and
check the instrument's output using a standard mA meter.
E
T QUASAR Flare Monitors Operation Manual
2
T QUASAR M8100-EXP is not performing
2
Troubleshooting • 47
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