5
Maintenance
Resolution of Operating Defects
Resolution of Operating
Defects
The operating defects which can occur during
truck use are indicated in this section, with
relative causes and solutions. If the defects
should persist even after having carried
out all of the checks indicated, contact the
manufacturer’s authorised service network.
Defect: THE TRUCK DOES NOT START
POSSIBLE CAUSES
SOLUTIONS
Battery socket not connected or connected
incorrectly.
Check the battery socket and, if necessary,
connect it correctly.
Low battery charge.
Check the battery charge level and, if neces-
sary, charge it.
The key ignition switch is set to position "0"
(truck off).
Turn the switch to "I" (truck on).
Defect: THE TRUCK IS TURNED ON, BUT DOES NOT MOVE
POSSIBLE CAUSES
SOLUTIONS
The drive control throttle is not turned.
Turn the drive control throttle in the desired
direction of travel.
Incorrect command sequence when switching
on the truck.
Repeat the sequence of commands correctly.
Emergency stop button pressed.
Check the reasons why the emergency button
was engaged and then release it.
Defect: THE TRUCK IS NOT ABLE TO LIFT THE LOAD
POSSIBLE CAUSES
SOLUTIONS
Load too heavy!
Make sure the weight of the load to be lifted
does not exceed the truck’s maximum capacity.
The truck is not ready for service.
Perform all of the checks indicated for “the truck
does not start or move".
Low battery charge.
Check the battery charge level and, if neces-
sary, charge it.
Operator presence button is not pressed
Press push button.
.
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45418043404 [EN]
Summary of Contents for SU-20
Page 1: ...Original instructions SU 20 1610 45418043404 EN 09 2014 ...
Page 2: ......
Page 7: ...1 Introduction ...
Page 17: ...2 Safety ...
Page 28: ...2 Safety Safety tests 22 45418043404 EN ...
Page 29: ...3 Knowledge of the Truck ...
Page 45: ...4 Use and Operation ...
Page 61: ...5 Maintenance ...
Page 77: ...6 Technical data ...
Page 84: ......
Page 85: ......
Page 86: ...STILL GmbH Berzeliusstrasse 10 D 22113 Hamburg Ident no 45418043404 EN ...