Siemens SENTRON 3VA1 Manual page 505

Test mode
All inputs and outputs can be activated or deactivated manually in test mode. This can be
done to determine whether the digital outputs and the ZSI bus are functioning properly and
wired correctly.
The LED labeled "ACT" flashes to indicate that test mode is active. The powerconfig
software can also be used to test outputs.
Activating test mode and performing tests
1. In order to activate test mode, press the <SET> button for at least 2 seconds
the LEDs for the outputs light up briefly
"ACT" starts to flash
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
②
. Test mode is activated when the LED labeled
③
.
Accessories
4.10 EFB300 external function box
①
until all
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