5.1.3.4.3. Drive controller fault warning light / Diesel motor generator fault / low fuel red
warning light - OPTIONAL (ZC)
This warning light indicates a malfunctioning of traction controllers (electric models), generator diesel motor or low fuel.
On steady indicating a traction controller fault (electric traction machines), with “CTR” alarm on the ground controls display.
OPTION: On steady with machine on; platform control panel; Diesel power selected. Diesel motor generator off, ready for start-up.
Insufficient motor oil pressure.
OPTION: Slow flashing in the event of the engine head overheating (optional function) If on, it stops the Diesel motor generator; if
off, it prevents the Diesel motor generator from starting.
OPTION: Fast flashing in the event of low fuel (optional function). This warning is active only when the motor is running.
5.1.3.4.4. Danger red warning light (ZD)
It flashes quickly for 4 seconds together with the audible alarm at the machine start-up in case of fault during safety test on controls
(pedal, joystick control, switches, etc).
It is lit up steady without audible alarm activation when the chassis inclination exceeds the allowed value and lowered platform. All
lifting operations and telescopic extension are disabled (except JIB lifting). If platform is lifted, the audible alarm is activated and
drive is also disabled. It is necessary to lower the booms completely and then place the platform onto a flat surface.
It is lit up without the audible alarm with booms raised and one or both of the pot-hole guards not perfectly lowered. All platform
movement controls are possible but drive with raised platform is automatically disabled.
WARNING! The activation of this indicator together with the audible alarm warns of a dangerous situation
since the machine or the platform have reached a dangerous inclination level for the machine stability.
When the chassis inclination exceeds the allowed value, to prevent increasing the overturn risk, the operator
on the platform is recommended to retract the telescopic boom first and to lower it as the last operation.
5.1.3.4.5. Overload red warning light (ZE)
Lit up steady with audible alarm activation with a platform overload exceeding 20% the nominal load. If platform is lifted, the
machine is completely locked. If the platform is lowered all drive/steering operations are still possible but lifting/rotation are
disabled. Remove the overload before using the machine again.
Fast flashing in case of fault in the platform overload controller. With lifted platform the machine is completely locked. After reading
the manual instructions, trained staff can carry out an emergency manoeuvre for platform lowering.
WARNING! The activation of this indicator is a synonym of danger since the load at platform is exceeding or
no overload controller is active upon signalling.
For adjustment or activation in emergency situations read the MAINTENANCE chapter.
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