What to do if Leuze electronic Lighting Equipment shows external error?
- MMichele BakerSep 23, 2025
If your Leuze electronic Lighting Equipment shows an external error, check the connection of the cables and the control signals.

What to do if Leuze electronic Lighting Equipment shows external error?
If your Leuze electronic Lighting Equipment shows an external error, check the connection of the cables and the control signals.
What to do if Leuze electronic Lighting Equipment shows internal error?
If your Leuze electronic Lighting Equipment shows an internal error, and a restart fails, replace the device.
What to do if receiver and transmitter channels are mismatched on Leuze electronic Lighting Equipment?
To resolve the issue where the receiver is set to C1 and the transmitter to C2 on your Leuze electronic Lighting Equipment, set both the transmitter and receiver to the same transmission channel and ensure they are correctly aligned.
Why is the signal weak on my Leuze electronic MLC 510 Lighting Equipment?
If your Leuze electronic Lighting Equipment has a weak signal, it might be due to contamination or poor alignment. Clean the front screens of the device and then check the alignment of the transmitter and receiver.
How to troubleshoot transmitter without supply voltage in Leuze electronic MLC 510?
If the transmitter of your Leuze electronic Lighting Equipment lacks supply voltage, check the power supply unit and the electrical connection. If necessary, replace the power supply unit.
What to do if the control circuit is open in Leuze electronic MLC 510 Lighting Equipment?
If the control circuit is open in operating mode 1, 2, or 3 on your Leuze electronic Lighting Equipment, close the input circuit with the correct polarity and timing.
How to fix a defective transmitter in Leuze electronic MLC 510?
If the transmitter of your Leuze electronic Lighting Equipment is defective, replace it.
What to do if Leuze electronic Lighting Equipment device failed?
If your Leuze electronic Lighting Equipment device has failed, replace it.
How to unlock start/restart interlock on Leuze electronic Lighting Equipment?
If the start/restart interlock is locked on your Leuze electronic Lighting Equipment, and the protective field is free and ready for unlocking, and if there are no people in the danger zone, operate the reset button.
What to do if Leuze electronic Lighting Equipment detects a foreign transmitter?
If your Leuze electronic Lighting Equipment detects a foreign transmitter, remove any foreign transmitters present and increase the distance to any reflective surfaces. If available, actuate the start button.
| Brand | Leuze electronic |
|---|---|
| Model | MLC 510 |
| Category | Lighting Equipment |
| Language | English |
Details correct usage and defines improper use for the safety sensor.
Specifies qualifications required for installation, commissioning, and maintenance personnel.
Outlines responsibilities of manufacturers and operators for safe operation.
Ensures safety circuits remain off after protective field clearance.
Covers placement and safety distance calculations for sensor arrangement.
Provides step-by-step instructions for mounting the sensor.
Details pin assignments for M12 connectors on transmitter and receiver.
Outlines requirements and steps for powering up the safety sensor.
Describes the prealignment process for correct sensor positioning.
Explains how to restore the ON state after process interruptions.
Details checks by integrators before initial start-up and after modifications.
Specifies periodic testing by qualified personnel.