37
Figure 4-16 Emergency button
Danger:
Do not press emergency button when travelling.
Under certain cases, if emergency button is pressed suddenly, goods may falling
down.
Emergency button can be applied only when the truck can not be stopped with
other methods during travelling.
4.9Troubleshoot
The traction control system, lifting control system, steering control system and
intelligent instrument system on the truck are all continuous monitoring microprocessor
controller and they carry out a diagnosis program on main functions. The diagnosis
program is made up of the following 4 points:
(1) Diagnosis when the electric lock is closed: check if the circuit for watch dog,
current sensor, capacity charge, phase voltage, contactor drive, can-bus interface and
switch operation order are correct; check if the output of accelerator is correct; check if
the two microprocessors are synchronized; check if there are inputs of hardware related
to safety.
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