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FFE Fireray 5000 Technical Notes page 3

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2. Fault Codes explained:
1. E-00: (Code Green)
The System Controller is faulty. There is a comms fault between the Mother and Daughter boards inside
the Controller and it will need to be replaced.
2. E-01: (Code Amber)
There is a comms failure between the Detector and the Controller. If possible, it is a good idea to
work out if the Detector or the Controller is faulty, purely so the engineer does not have to replace the
Detector if it is not necessary.
Tests:
1. Can you see an LED flashing (Red or Amber) on the 'faulty' Detector? If Yes, then the cable to the
Detector is OK. If No, either the Detector (or the channel to it) has totally failed or the cable to it
could be broken/damaged. In my experience, I've only had cable issues during commissioning.
2. Check the voltage at the appropriate channel on the First Fix PCB. It should be between 11V and
13.5V. If the voltage is less than 11V, then disconnect the cable to the Detector and see if the voltage
goes up (to between 11V and 13.5V). If it goes up, then the fault could be on either the Detector or
Controller (you can work out whether it's the Detector or Controller which is faulty, but I don't think
it's worth going that deep), so both should be replaced.
3. If the voltage stays low after removing the Detector, then the Controller is faulty and only that needs to
be replaced. The alignment data is stored in the Detector, so all the engineer must do is run the 'find'
function and the Controller will pick up the Detector
Note: If the Controller needs to be replaced and it has 3 or 4 Detectors connected to it, then,
unfortunately, you will need to fit 2 Controllers.
3. E-02: (Code Green)
The 'find' function has not been run. You will see this at the commissioning stage and it will follow on from
E-01 (and you may also see E-05).
4. E-03: (Code Amber)
The AGC (Automatic Gain Compensation) has been reached. All Beams have AGC, on the F5000 it
ranges between -50 and +205 (the Detector will automatically re-align itself at +75). A re-alignment will
re-set the AGC to 0 (clearing the fault), but what you need to find out is the reason the AGC limit was
reached.

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