Wheelock MT4-12-LS Guida alla Risoluzione dei Problemi Scaricare il pdf (Pagina 22)

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If the warning buzzer is sounding or if the following is displayed on an

optional Alpha keypad,

Check xx Zone xx

press the silence/reset button (located on the upper right-hand side of the

5110XM pc board) to silence the warning buzzer. Restore any open zone(s) as

necessary (also make sure that you have connected a 2000 ohm EOL resistor

across the terminals of unused zones); Press the silence/reset button again to

reset the system and clear the display. If an optional Alpha keypad is

installed, when the **** SYSTEM NORMAL **** message is displayed,

you can proceed to the next step.

4. Fault and restore one of the hardwired zones. The built-in warning buzzer

and optional remote keypad buzzer will provide a slow pulsing sound if a fire

alarm was tripped, a steady sound if a 24 hour non-fire or emergency alarm

was tripped, or a rapid pulsing sound if a fire supervisory or trouble

condition was tripped.

Press the built-in Silence/Reset button to silence the buzzers. The built-in

SILENCED LED will light. Press the Silence/Reset key again to clear the

SILENCED indication. Repeat this procedure for each of the remaining

hardwired zones.

Note: This test may activate external alarm sounders (if connected) and may

send a central station report (if programmed). Therefore, building occupants

and the central station should be alerted before conducting this test.

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Wheelock MT4-12-LS Guida alla Risoluzione dei Problemi Pagina 22