HL-140 E12 / HL-160 E12 / HL-190 E12 / HL-220 E12
N-120EL12 / N-140EL12 / N-165EL12 / N-195EL12
Rev. F
8/2/18
Page 48
8
Troubleshooting
Problem
Possible cause
Action
The scissor lift cannot be turned
on.
The main switch has not been
turned on.
Turn on the main switch.
The emergency stop button has
been pressed.
Pull out the emergency stop
button and wait 10 seconds.
There is a short circuit or a fuse
has blown.
Determine the cause and replace
the fuse.
The red segments of the LED bar
indicator are flashing.
The battery voltage is too low.
Charge the batteries.
The hydraulic pump motor runs,
but the scissor lift does not
function.
The hydraulic pump does not
work, so the hydraulic system
cannot build up any pressure.
Contact the technical service
department.
The oil level in the hydraulic
system is too low.
Top up the hydraulic system.
The hydraulic pump is broken.
Replace the hydraulic pump.
The scissor lift cannot be driven
with a raised platform or the
platform cannot be raised.
The maximum tilt has been
exceeded and the tilt safety
device has been activated.
Lower the platform and make
sure the scissor lift is on a level
surface.
The platform cannot be raised or
lowered.
The platform has been
overloaded and the overload
safety device has been activated.
Reduce the load on the platform.
Or follow the emergency descent
procedure.
The scissor lift cannot be driven
at the fast speed.
The platform is at a height of
more than 3 metres.
Lower the platform to a height of
less than 3 metres.
The scissor lift cannot be driven.
The platform is at a height of
more than 8 metres.
Lower the platform to a height of
less than 8 metres.
The scissor lift brakes do not
engage.
The brake system was not re-
engaged after towing.
Re-engage the brake system.
The brake packet is not correctly
adjusted.
Readjust the brake packet.
The multiple disc brake is worn.
Fit a new brake packet.
The platform cannot be lowered.
The safety prop is blocking the
scissor mechanism.
Disengage the safety prop.
The electrical system has cut out.
Use the emergency descent
valve to lower the platform and
check the electrical system.
A problem keeps recurring.
Contact the manufacturer
(
Holland Lift International B.V.
).
