Why is the output constant at 1 ± 0.3 mA on my Dräger Controller?
If the output is constant at 1 ± 0.3 mA on your Dräger Controller, it could be due to no signal from the input modules or a faulty output module. Check and connect or repair the ribbon cable. If the issue persists, replace the output module.
Why is the display screen blank and all LEDs off on my Dräger Controller?
If the display screen is blank and all LEDs are off on your Dräger Controller, the issue might stem from a lack of power supply to the controller, a faulty power supply unit, or an internal wiring fault. To address this, first, check and repair the external power supply and wiring. If that doesn't resolve the issue, consider replacing the power supply unit. Finally, inspect and repair the internal power distribution wiring.
Why is the Power DC / LED not illuminated but the display screen is on on my Dräger Controller?
If the Power DC / LED is not illuminated, but the display screen is on for your Dräger Controller, the issue might be a controller supply fault or a faulty display board. Check and repair the external or internal 24 Vdc supply. If the LED still doesn't illuminate, replace the display board.
What to do if there are no LEDs or data on the display screen for the input module of my Dräger Controller?
If you have an input module fitted in your Dräger Controller, but no LEDs are illuminated or there is no data on the display screen for the module, it could be due to a ribbon cable fault, an internal wiring fault, a faulty input module, or a faulty display board. You should check and repair or replace the ribbon cable. Also, check and repair the internal power distribution wiring. If the issue persists, replace the input module or the display board.
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.
Overview of the control units, their series components, and primary monitoring capabilities.
Guidance on unit positioning, mounting, cable entry, and grounding.
Details AC/DC power, module installation, combining, and numbering control modules.
Instructions for connecting remote transmitters and other external sources to the system.
Lists common faults, causes, and solutions for display and LED issues.
Guide to configuring and calibrating the control unit using software or built-in menus.
General| Display | LCD |
|---|---|
| Input Voltage | 24 V DC |
| Weight | Approx. 1.5 kg |
| Number of sensor inputs | Up to 8 |
| Input signal | 4-20 mA |
| Power supply | 24 V DC |
| Type | Gas detection controller |
| Detection Principle | Electrochemical, Catalytic, Infrared |
| Protection Rating | IP 65 |
| Operating Temperature | -20 to +50 °C |
| Relay outputs | 2 relays |
| Measuring Ranges | Varies by sensor type |
| Outputs | Relay, 4-20 mA |
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