Black Box IC109A-R2 Manuel d'installation Page 152

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© 2007 Schneider Electric. All Rights Reserved.63230-216-229-B1
Maintenance
Troubleshooting Assistance
Nothing happens when Sepam™ is switched on:
b all LEDs off
b nothing displayed on Sepam™ display.
Auxiliary Power Fault
Possible Cause Action / Remedy
Connector A not plugged in. Plug in connector A.
Connectors A and E reversed. Put connectors in correct positions.
Auxiliary power absent. Check the auxiliary power level
(range = 24 V DC to 250 V DC).
Polarities reversed on terminals 1 and 2
of connector A.
Check that the + polarity is on terminal 1
and the – polarity on terminal 2.
Correct if necessary.
Internal problem. Change base unit (see page 150)
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