Aerial work platform
ZED 20.3 HV
3
COD. UM0284_GB | REV. 0.0 | ED: 09/17
Chapter 12
GB
TROUBLESHOOTING
iSSUE
CAUSE
rEMEDY
*
Hydraulic cylinder working
incorrectly
Oil leak between
the two chambers in
the cylinder and the
consequent inability to
support loads.
Replace the gaskets of the
cylinder.
■
Piston/rod joint loose
Check the joint between
piston/rod
Max. pressure valve on
distributor is stuck or
worn.
Dismantle and clean the
max. pressure valve or
replace it.
■
lights do not work
Burnt out bulb
Replace the bulb
Broken electrical
connection
Repair the connection
■
Burnt out fuse
Replace the fuse
Excessive heating of hydraulic oil
Level of hydraulic oil in
the tank is too low
Top up with the same type
of hydraulic oil
Solenoid valves do not work
No power
Check the electrical system
■
Cursor does not move
Replace solenoid valve
■
The coil does not work
Replace the coil
■
* ■
Repair to be carried out at a CTE authorised workshop.
CAUTiOn
for anything not described in this table, please contact the Service Centre.
