10. Checking the system’s
operation
After installation, it’s necessary to check the correct operation
of the appliance. To do this, first discharge the service battery
by 25% by switching on some of the appliances connected to the
system: lights and TV for example.
alternator charging check-up
1. with the engine off, measure (with the multimeter) the service
battery’s voltage.
2. Set the device switch to 1.
3. start-up the engine.
4. When the LED relevant to alternator charging starts to
blink, check that the service battery’s voltage is greater than
the previously measured value.
5. Wait for two flashes of the device LED, followed by a pause
and check with a current CLAMP METER that the charge
current is equal to the maximum current of the POWER
SERVICE UNIT (this phase could last a few seconds if the
service battery is completely charged).
6. With a multimeter measure the voltage on the starter battery
poles, then measure the voltage between Terminal N°.1 and
Terminal N°.3 of the POWER SERVICE UNIT and verify that the
difference between the two is not higher than 0.7V. If it is, a
cable with a larger cross section is needed to connect to
Terminal N°.3. It may also be necessary to improve the ground
connection (always take the measurement while the engine is
running).
solar panel charging check (can only be done when
vehicle is outside and during daylight hours!)
1. Turn off the vehicle engine.
2. If the solar panel is correctly installed and oriented to the
sun, after a few seconds the LED RELEVANT to the solar PANEL
INPUT will flash.
3. Measure with the current CLAMP METER that there is a charge
CURRENT GOING to the service battery.
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