Federal!Signal!UltraVoice!Remote!Interface!(UVRI)!
Installation,!Operation,!and!Service!Manual!
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MAINTENANCE!
51!
GENERAL!MAINENANCE!
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9.1.1! Signal!Operational!Check!
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1.! Activate!each!of!the!signals!from!the!control!point!and!observe!the!signal!indicators!
on!the!control!module!and!the!remote!PA!system.!Verify!each!function!sounds!the!
correct!signal!at!the!proper!volume!level!for!the!application.!!
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2.! Verify! that! the! system! status! is! reported! correctly! at! the! control! point.! Check! each!
status!point!to!verify!both!pass!and!fail!conditions!are!correctly!reported.!Verify!that!
the!relay!output!closes!with!each!function!activated.!
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9.1.2! Battery!Inspection!!
1.! Remove!AC!power!and!measure!the!DC!voltage!across!the!DC!input!connector!on!
the!control!board.!This!voltage!should!be!above!12.75!VDC!if!the!battery!has!been!
charging!for!at!least!24!hours.!
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2.! The! battery! will! typically! need! to! be! replaced! every! 395! years! depending! on! the!
application!environment.!The!battery!life!will!be!diminished!if!it!is!left!in!a!discharged!
state!for!prolonged!periods.!
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3.! Maintain!or!replace!the!battery!as!recommended!by!its!manufacturerb!obey!local!or!
state!laws!governing!the!disposal!of!lead9acid!batteries.!
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4.! Check!the!battery!terminals!for!corrosion.!Clean!and!grease!connectors!and!terminals,!
or!replace!if!necessary.!!
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9.1.3! Battery!Replacement!
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Remove!all!electrical!connections!from!the!motherboard!before!removing!the!battery.!
Remove!the!connectors!at!JP1,!JP2,!JP3,!JP4,!JP6,!and!JP8!on!the!motherboard.!!
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The!battery!is!located!under!the!control!board!mounting!plate.!The!control!board!
mounting!plate!can!be!removed!by!loosening!the!four!screws!as!shown!below.