Kussmaul Electronics Kussmaul Chief Auto Charge Guide D'utilisation page 44

Step 4: Powering Up
Make one last check that all connections are correct and secure.
The Auto Charge may now be powered up.
1. Close the DC disconnect switch or breaker.
2. Switch the AC power on at the source breaker. It is normal
to see a seven to ten second delay while the charger
powers up. During this time, the indicator LEDs on the
display panel will illuminate for a second (power on test)
before reporting charging and battery status information.
NOTE: Battery qualification may not be correctly performed if AC
power is switched on first.
NOTE: The onboard display LEDs will also illuminate momentarily
with DC power alone when DC power is applied and the minimum
battery voltage (i.e., the connected batteries) is above 9 V.
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