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7 Troubleshoot
This chapter provides information on how to investigate or rectify problems that may occur. Actions
marked with (*) must be carried out by PIAB or a TAWI authorised service technician.
Problem Likely caused by
Action required
Tool does no
t mo
ve up or do
wn
Main switch is turned off.
Turn main switch on.
Emergency stop is engaged.
Disengage the emergency stop.
Batteries need charging.
Charge batteries according to manual.
See (A) on page
16.
Batteries are drained.
Change batteries.*
Charger is damaged.
Check if charger supplies correct voltage, if not
replace charger.*
Limit switches are broken/damaged.
Check functions of limit switches, replace if
needed.*
No signal from operating panel.
Check signal from the control panel to circuit
board.*
Wires or connections are loose on
battery.
Check wire connection on batteries. Connect if
necessary.
Fuse has tripped.
Check fuse, replace if broken.
Circuit board damaged.
Replace circuit board.*
Tool mo
ves
slo
wly up
/do
wn
do
wn
Batteries are weak.
Charge batteries according to manual.
Br
ak
e does
no
t w
or
k
Brake has been misused.
Replace rear wheels.
C
har
ge
indic
at
o
r
Charger is broken.
Replace battery charger.*
*Must be carried out by authorized TAWI service technician.
