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chanrobertSep 3, 2025
How to fix K1 Coil Open on Nilfisk-Advance SC6000 36C Scrubber?
- Rrobert73Sep 4, 2025
The most likely cause of K1 Coil Open is a loose wire. Ensure that all connections are secure and there are no loose wires.

How to fix K1 Coil Open on Nilfisk-Advance SC6000 36C Scrubber?
The most likely cause of K1 Coil Open is a loose wire. Ensure that all connections are secure and there are no loose wires.
What should I do if my Nilfisk-Advance SC6000 36C displays a K2 Contact Weld error?
Disconnect the small relay coil wires, and then check the output voltage with a voltmeter.
What causes M10 Open on Nilfisk-Advance SC6000 36C?
This could be the result of a disconnected wire at the motor or module, or it could be that the motor’s brushes have worn beyond service.
What causes M1 Open on Nilfisk-Advance SC6000 36C?
This could be the result of a disconnected wire at the motor or module, or it could be that the motor’s brushes have worn beyond service.
How to fix M1 Overload on Nilfisk-Advance SC6000 36C Scrubber?
Check for obstructions or excessive load on the motor.
What causes M6 Open error on Nilfisk-Advance SC6000 36C?
If no broken connection is located, this could also be caused from the limit cams inside the actuator to be misadjusted, which could prevent the actuator from being neither raised nor lowered.
What does M1 Mosfet Short mean on Nilfisk-Advance SC6000 36C Scrubber?
If the condition persists, the likely cause is that the power module has failed and needs replacement. Replace the power module if the condition persists.
What to do if Nilfisk-Advance Scrubber shows K1 Contact Weld?
Disconnect the relay output wires. If the condition persists, then it is known to be a short in the wires. If the condition clears after disconnecting the output wires, then it is known that the contacts have fused and the relay must be replaced.
How do I troubleshoot a K1 Coil Short in my Nilfisk-Advance Scrubber?
Inspect the wires between the controller and the relay (also located in the steering column) for shorts. Otherwise, replace the relay.
Why is my Nilfisk-Advance SC6000 36C Scrubber showing an M1 Overload error?
The most common cause for the M1 Overload error is when the motor is experiencing an obstruction, binding, or under excessive load. Check for obstructions or excessive load on the motor.
| Model | SC6000 36C |
|---|---|
| Type | Scrubber |
| Power Source | Battery |
| Battery Voltage | 36 V |
| Brand | Nilfisk-Advance |
| Category | Scrubber |
| Sound Level | 65 dB |
| Brush Motor | 0.75 kW |
| Vacuum Motor | 1150 W |
| Drive Speed | 0 - 6 km/h |
| Productivity Rate | 3000 m²/h |











