Troubleshooting - Nilfisk-ALTO FLOORTEC R 870 Service Manual

Service Manual – Floortec R 870

Troubleshooting

Trouble
The main broom does not
work and the warning light
(76) flashes.
The main broom does not
clean properly
The main broom jumps or
vibrates
Possible causes
The safety system has activated.
The fuse (FA) is open.
The electromagnetic switch (ES1) is not efficient
The driving belt is misadjusted/damaged/broken
The motor (M4) is faulty
The sensor is misadjusted or broken
The main broom has not been properly adjusted in height/
parallelism
The main broom is too worn out
The skirts are misadjusted or damaged
The gas springs are damaged or without pressure
The gas springs are damaged
Main Broom System
Remedy
Turn off the machine and then turn it on again.
Check the condition of the main broom (debris
that slows down the broom or excessive
pressure on the ground).
Wait for the main broom motor to cool down,
then replace the fuse.
Replace
Tighten/replace
Check the motor amperage/replace
Adjust/replace
Adjust
Replace
Adjust/replace
Replace
Replace
168