Revision Date – 22/12/2014 page 25
Connect the red lead from the voltage drop
tester to the volt (‘V’) socket on the multimeter.
Connect the black lead from the voltage drop
tester to the ‘COM’ socket on the multimeter.
Set the multimeter to 20V DC.
Record the voltage displayed on the multimeter
as ‘VOLTAGE A’.
If no voltage is measured, check whether the
circuit is connected to the ignition switch and
whether the ignition is turned off.
NOTE: ARB recommend that a dedicated wiring
circuit be used to connect the fridge
directly to the battery via a suitable fuse.
Refer to the wiring advice below.
Press the red button on the voltage drop tester
and hold for no longer than 10 seconds.
This will simulate the start-up of the Danfoss
compressor.
With the button pressed down, record the
voltage displayed on the multimeter as
‘VOLTAGE B’.
Turn off the multimeter and disconnect the
voltage drop tester from the power socket.
Record the voltage across the supply battery
terminals as ‘VOLTAGE C’.
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