Topfloor TF91-TRS, Operator'S Manual

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TF91-TRS 15
5.9 Malfunctions / error messages and
troubleshooting
Error Possible causes Possible remedies
Engine does not work Key-operated switch has not
been activated Turn the key in the key-operated
switch
Fuel tank is empty Fill up fuel tank
The hood is still open Close the hood
Fault in the electrical cables Check all the plug-and-socket
joints and restore the contact
Sweeping result not satisfactory Side brushes or brush rollers not
lowered Lower
Side brushes or brush rollers
worn Readjustment and if required,
replacement of the brushes
Trajectory clogged by dirt Check and clean the roller space
Brush rollers are stuck because
of dirt, cables, strings or some-
thing similar Clean the brush rollers and roller
bearings, check the bearings for
damage
Side brushes are stuck because
of dirt, cables, strings or some-
thing similar Check the side brushes and re-
move whatever is stuck
Side brushes and/or roller belts
are worn Control and replacement of the
belts
Fault in the traversing mecha-
nism Traversing mechanism not cor-
rectly set Set traversing mechanism
Traversing mechanism belt worn Checking and replacement of the
belt
Blockage of the driving roller or
the running wheels owing to dirt Remove blockage
Heavy dust accumulation while
sweeping Filter heavily soiled
Clean the filter (see “Filter clean-
ing”)
Filter used up / Filter material
worn Check and replace filter
Filter not correctly fitted Correct filter position
Leaks and result suction of im-
pure air in the area of the filter
chamber Check for suction of impure air