Ademco - 518 Troubleshooting

Tk OUsLEsHOOTlNG NO 518 TROUBLE NO SOUND OUTPUT FROM HORN DURING ALARM CAUSE Voltaae horn panel panel voltage a defective 6 volts blown Replace drop A blown Nos 317 and 316 contact may wiring horn Defective applying sound obtained HORN OPERATES BUT DOES NOT GlVE FULL SOUND CAUSE rechargeable charge not using sure needed bell voltage 6 volts voltage horn not at wiring volts directly horn battery across attached of see Sec manual does not of up either gauge wire warning specific gauge wire gauge wire I Section use wires Part pages 42 433 of corroded drop APCs should burnished contacts source 6 volt ReDlace obtained