Installation manual

Appendix
23
Problem
Possible Solution
Relay outputs are not
working
Check the unit settings to confirm that the relay output is enabled.
Refer to the HTML Edition Units User’s Guide for details.
Check that a proper rule for activating a relay output has been
defined in the unit or activate it manually. Refer to the HTML
Edition Units User’s Guide for details.
Check the relay output wires are connected securely.
Check that the relay output wires are paired in the terminal block
according to requirements and that one wire is connected to the
common.
Check that the NO or NC matches the system NORMALLY OPEN or
NORMALLY CLOSED configuration.