996227
58
11.
MALFUNCTIONS
When the A80 is not functioning as expected, it is important to determine the cause for this. The
malfunctions table below can be a guideline for the systematic and effective localization and repair
of malfunctions. Malfunctions must always be reported to a technician.
Any guarantee becomes void:
•
in the event of repairs carried out inexpertly / repairs carried out by unauthorized persons, and
•
if no use is made of extra parts, prescribed lubricants and original components from or
manufactured by TENNANT
Contact TENNANT if this is indicated in the table or if the cause of the malfunction
cannot be established and/or repaired.
Malfunction
Possible cause
Solution
Sweeper does not
function at all
•
Main current switch is off.
•
Emergency stop(s) switched on.
•
Battery empty or battery clamps
disconnected.
•
Activate main current switch.
•
Check emergency stop(s) and deactivate if
necessary.
•
Check battery and/or clamps.
Sweeper does not start
•
Hand brake not engaged.
•
Forward/reverse selector not in
neutral position.
•
Contact mat in driver’s seat does
not make contact.
•
Engage hand brake.
•
Set forward/reverse selector to neutral position.
•
Check contact mat in driver’s seat.
Rubbish hopper does
not tip / lower
•
Key on remote control not in
correct position.
•
Manual pump handle in wrong
position.
•
Tailboard not fully opened.
•
Premature tipping after switching
off fan.
•
Check remote control and if necessary set key
to correct position (must be depressed and
turned left).
•
Check manual pump handle and if necessary
move to correct position.
•
Fully open tailboard.
•
After switching off fan wait 10 seconds before
tipping.
Sweeper does not
move forward and/or
backward
•
Hand brake still engaged.
•
Forward/reverse selector in neutral
position.
•
Contact mat in driver’s seat does
not make contact.
•
Vehicle is still in towing mode
(socket screws set to "TOW").
•
Disengage hand brake.
•
Set forward/reverse selector to desired driving
direction.
•
Check contact mat in driver’s seat.
•
Change vehicle to driving mode (socket screws
set to "DRIVE").
Brushes do not
revolve
•
Contact mat in driver’s seat does
not make contact.
•
Brush speed regulation set to zero.
•
Defective brushes switch.
•
Defective fuse.
•
Check contact mat in driver’s seat.
•
Check brush speed regulation and set if
necessary.
•
Check brushes switch.
•
Check fuse and replace if necessary.
Third brush does not
swivel
•
Manual pump handle in wrong
position.
•
Loose joystick plug connections.
•
Check manual pump handle and if necessary
move to correct position.
•
Check plug connections.
Table 7: Table of malfunctions
Summary of Contents for A80
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