LIFTLOG 1000 – INSTALLATION AND CALIBRATION
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2.4.2 Power Supply
NOTE: The Weightroller Precise operates from an 8 to 30VDC supply, however the solenoid on the drop valve is 12V. Therefore a suitable
voltage dropper must be fitted on vehicles using supply voltages above 12V.
The Terminator is fitted with a varistor for protection from voltage transients, and a power-on LED. The head unit has an integral
On-Off switch, but is normally powered on via the ignition circuit.
Using the power lead provided, connect from a switched live point not exceeding 24V (e.g. from the ignition circuit) to the
terminals marked POWER IN 0V and POWER IN+V.
If you inadvertently have the power supply connections reversed, nothing will work. The head unit has reverse polarity protection
and will not be damaged. The LED on the Terminator PCB will not light if the 0V and +V connections are reversed.
If the instrument does not power up when you switch the ignition on, then:
(a) check you have connected to a suitable point on the vehicle electrical system as described above.
(b) If (a) is OK but the LED is not lit, check the polarity is correct.
(c) If the LED is lit but the head unit does not come on, check that the 18-way connector is properly connected.
Once all is OK, clip the lid on the Terminator. To remove the lid, squeeze the sides of the base inward to release the clips.
2.4.3 Printer
Connect the printer lead onto the 4-way connector ('marked COM 2') in the terminal box. This lead also provides the printer
power supply.
Locate the cable grommet onto the moulding, and cable-tie the head unit lead onto the moulded cable saddle to provide strain
relief.
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