FA-300 Alarm Bar User’s Guide
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3. In the Relay Diagnostic menu, toggle the relay by
pressing the keypad’s corresponding key (1, 2, 3,
4. 5).
4. Touch the probes to the NC and COM terminals on
the relay block.
5. Again, toggle the relay by pressing the
corresponding key on the keypad.
Each time you press the key, the continuity tester or
voltmeter should show that the relay has changed from
open to closed (or vice versa). If this change does not
occur, then the relay may be damaged and require
replacement. Contact Honeywell RAE Systems Customer
Support.
