Troubleshooting Procedures - Continued - TM-5-6350-264-14P-10

Troubleshooting Procedures - Continued - TM-5-6350-264-14P-10_57

Troubleshooting Procedures - Continued - TM-5-6350-264-14P-10_59

TM-5-6350-264-14P-10 Alarm Set Control Manual
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TM 5-6350-264-14&P-10 NAVELEX EE 181-AA-OMI-110/E121 C-9412 T.O. 31S9-2FSS9-1-10 Table 5-2. Troubleshooting Procedures - Continued Trouble Probable cause Corrective action 2. (Cont) c. (Cont) TB4 (bottom front). Support power supply and turn it so wires can be tagged and disconnected from TB3 on bottom of power sup- ply. (2) To install new power supply, re- move cover, and turn unit so TB3 is accessible. Support power sup- ply, and connect wires to TB3. Turn power supply upright and position it over standoffs on side of CU enclosure. Note that cable clamp goes under screw on bottom front of power supply. Insert screws and tighten to secure power supply. Connect wires to TB1. Re- place cover and secure with screws. Connect wires to TB2 and TB4. Position battery outside CU en- closure. Carefully insert battery end first; turn and lower it into bot- tom of CU enclosure. Connect wires to battery terminals. Switch on main circuit breaker. (3) Turn on switch S1 on power sup- ply. Depress TRANSMITTER RESYNC switch S2. Wait about 5 minutes for system to stabilize. During 5-minute stabilization period, check power supply. Set multimeter to dc volts and connect negative lead to chassis (ground). Connect positive lead to power supply, TB2-3. Meter should indi- cate 20 1 vdc. Connect positive lead to TB2-5. Meter should indi- cate 5 0.25 vdc. Connect lead to TB2-2. Meter should indicate 28 + 2 vdc. Turn mode switch to TEST/RESET and then to SE- CURE. g. If voltage changes above 125 vac or be- low 110 vac, notify facility personnel. 5-40

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