SECTION 2 - SERVICE PROCEDURE
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2-47
2.9
EMERGENCY ELECTRIC MOTOR OVERRIDE
The electric motor can be activated in an emergency (run-
ning at min RPM) with a by-pass on the electrical system.
The override procedure is as follows:
1.
Turn OFF the Battery Switch
2.
Bridge the points as shown below
3.
Turn ON the Battery Switch
NOTICE
DURING THE OVERRIDE, THE SAFETY CONTROLS OF THE MACHINE ARE
NOT ACTIVE. USE THE OVERRIDE METHOD FOR EMERGENCY ONLY.
REMOVE THE JUMPER BRIDGE AS SOON AS THE OPERATOR REACHES
THE GROUND.
NOTICE
In case of failure of the master board (ECM modules), BMS does not
start as the supply for BMS comes from ECM modules. If BMS is off, it is
not possible to turn on the motor as the inverter does not get any sup-
ply from the cells. In such case, connect the battery charger to the
local network to start the electric motor. The BMS will be switched on
by the battery charger. If the local network is not available, the BMS
can be switched ON manually by connecting the wires on the pins A29
and A30 to the ECM modules.
NOTE:
JP series machines have a connecter plug X109 to
make the emergency override easy. Remove the con-
nector X109 from its housing and put a bridge by -
pass.
MAF12030
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