Doosan D35C-5 FDA04 Operation & Maintenance Manual page 171

Operation Section
Manual Mode (Fail-Safe mode)
The system still allows movement of the vehicle in
case of controller breakdown by selecting the
manual mode with the Fail-Safe mode Switch in the
controller.
WARNING
In the manual mode, direction inhibition
function can not be operated normally. The
sudden reversal of a loaded lift truck traveling
forward can cause the load to fall or the lift
truck to tip.
If the controller fails
An operator can operate the truck manually by
selecting the Manual mode with the Fail-Safe mode
switch on the PCB (Printed Circuit Board).
Fail-Safe mode switch
NOTICE
Direction Inhibit Function is usable in factory-setting
controller. If you don't want to use this function,
make sure to select the manual mode with the
Fail-Safe mode switch on PCB.
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