Klemm Fault Code

Free · no signup

PLC-ERR 01

Machine Bricked.

System

Not specified

Symptom

Machine Bricked.

Diagnosis & fix steps

LOGIC: Safety Interlock Violation (Door/Gate Open). ACTION: Check the magnetic door sensors on the cab and the safety fence gate.

Red Seal field insights

Pro-Tip: If the door is closed, check the Safety Relay in the main panel. If it’s not clicking, the magnet is likely too far from the sensor—adjust the mounting bracket.

Same code keeps coming back?

That's a program problem, not a part problem. Book a 30-minute uptime review with Grant, a Red Seal Heavy Duty Technician.

Book an uptime review

Read before you touch anything

  • This is general reference information, not a repair manual. It is for trained, qualified technicians.
  • Fault codes, meanings and procedures vary by model, serial number and software version. Confirm the code and the procedure against the manufacturer's service manual before acting.
  • Follow the OEM service manual, torque specs and your site's safety procedures: lockout/tagout, block raised equipment, relieve hydraulic, fuel and air pressure, and let hot systems cool.
  • You use this information at your own risk. Adventure Mechanical and AM Fleet Integrity accept no liability for damage, injury, downtime or loss arising from its use.
  • Not affiliated with or endorsed by any manufacturer. Brand names are used only to identify the equipment a code applies to.

Track this across your whole fleet

This code is free to read. AM Fleet Integrity lets your team log fault codes against assets, plus the full fault-code library, QR operator reporting, PM scheduling and predictive alerts. Start free — no credit card required.

Start your free trial

Related Klemm fault codes

← All Klemm fault codes