Why is the display screen blank on my Dräger Controller?
If the display screen on your Dräger Controller is blank, it may be due to no supply to the display board or some other issue. Check and reconnect the ribbon cable to the display board and all modules. If the screen remains blank, replace the display board.
Why is the Fault (F) LED illuminated for a group of four channels on my Dräger Controller?
If the Fault (F) LED is illuminated for a group of four channels on the Dräger Controller, it could be due to a transmitter wiring fault, a ribbon cable fault, or a faulty input module. Check and repair the transmitter wiring. If the wiring is not the issue, check and repair or replace the ribbon cable. If the problem persists, replace the input module.
Why is the gas level on my Dräger Controller different from the remote sensor transmitter?
If the controller gas level differs from the level displayed at the remote sensor transmitter for your Dräger Controller, it could be due to a transmitter calibration fault, an input channel calibration fault, or an incorrectly set input channel range. Try to recalibrate or set the input channel range the same as the transmitter range.
What to do if Dräger Controller display screen shows: Over-range?
If the display screen on your Dräger Controller displays 'Over-range', the issue likely stems from a short-circuit in the remote sensor transmitter wiring or a fault with the remote sensor transmitter itself. To fix this, you should check and repair the transmitter wiring. If the wiring is not the issue, check and repair the transmitter.
What to do if Dräger Controller display screen shows: Under-range?
If the display screen of your Dräger Controller shows 'Under-range', it could be due to a faulty transmitter connection, incorrect loop current, or a faulty transmitter. You should check and repair the transmitter wiring. If the wiring is correct, recalibrate the loop current. If the problem persists, replace the transmitter.
Why is the Fault (F) LED illuminated for a single channel on my Dräger Controller?
If the Fault (F) LED is illuminated for a single channel on your Dräger Controller, it could be due to a transmitter wiring fault, incorrect loop current, a faulty transmitter, or a faulty input module. To resolve this: * Check and repair the transmitter wiring. * Recalibrate the loop current if it's incorrect. * Replace the transmitter if it's faulty. * Replace the input module if necessary.
What to do if I am unable to transfer configuration to or from the Dräger Controller?
If you're unable to transfer the configuration to or from the Dräger Controller, this could be due to a lack of power supply to the controller or a fault with the interface unit (RS-232). You should check and repair the external supply and wiring. If the issue persists, check and repair or replace the interface unit.
General| Brand | Dräger |
|---|---|
| Model | REGARD 3900 Series |
| Category | Controller |
| Language | English |
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