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FFE Fireray 5000 Technical Notes page 4

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1. +205 AGC means that the Infra-Red Signal has been dropping and the Detector has boosted the IR
Signal +205 times to try and keep the Signal at 100%. The reason for the IR Signal going down could
be poor installation (at the Detector or Reflector end) or a large amount of air born contamination for
example.
2. -50 AGC means the IR Signal has gone up and had to be reduced -50 times. This is a rare event but
means that the Detector is picking up extra IR Signal. This can be because a shiny object has been
placed very close to or in the Beams 'Line of Sight', and this is reflecting signal back to the Detector.
5. E-04: (Code Amber)
If the voltage (measured at the First Fix PCB) going to the Detector is less than 11V use the E-01 tests to
determine with the Detector or Controller is faulty. If you get a voltage between 11V and 13.5V DC, the
Detector is faulty.
6. E-05: (Code Green)
The Detector is not aligned.
Note: Aligned Detectors should not become unaligned but seem to do so for no apparent reason. This
may be a Software bug.
7. E-06: (Code Amber)
Something has blocked the Beam and caused the IR Signal to drop to 0%.
Note: This is a 'common' fault in warehouses or buildings where the Beams have a process which can
break the IR Signal during normal operations. It can also happen during commissioning or servicing when
testing the Beams.
8. E-07: (Code Amber)
Something reflective (and this doesn't always have to be shiny) is either in or near the Beams path and this
has added a small amount of Infra-Red Signal to be added to the IR Signal coming back from the Reflector.
9. E-08: (Code Amber)
AGC (Automatic Gain Control) was not at '0' after an alignment. This should never happen, but if it does,
re-align the Beam or power down for 2 minutes before re-aligning.
10. E-09, E-10 and E-11: (Code Amber)
These failure modes are very rare and are all very similar in cause. Either the Reflector(s) have not been
found due to the wrong number of reflectors being fitted, the Detector trying to align onto the wrong
surface, the wrong distance has been selected (8-50M being the default distance when the range may
need to be set to 100M). If there is no apparent reason for the failure, the Detector may well be faulty.

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