TM 55-1930-209-14&P-10 Table 2-4.  Emergency Interior Lighting System Troubleshooting Condition Possible Cause Suggested Action 1 Emergency lights do not a Circuit breakers a Close circuit breakers come on when normal 10P13A-1 thru 10P13A-6 lighting fails on emergency lighting panel open b Circuit breaker 10P13 on b Close circuit breaker power panel 3 open c Circuit breaker P13 on c Close circuit breaker switchboard open d Faulty circuits d Check circuit e Bulb(s) burned out e Replace bulb(s) f Emergency power system f Troubleshoot malfunctioning (TM 55-1930-209-14 & P-9) g Inverter turned off g Turn inverter on h Emergency lights not in h Turn on emergency standby mode lights 2 Green (Barge 1) or blue a Battery power is low a Charge or replace (Barges 2 and 3) light on batteries switchboard is off b Battery charger b Replace fuse In battery malfunctioning charger c Circuit breaker 10P13 on c Close circuit breaker power panel 3 open d Circuit breaker P13 on d Close circuit breaker switchboard open e Port or starboard door e Close door open f Door interlocking (blackout) f Make sure switches are switches locked in open operating normally position 3 Void overhead fluorescent a Circuit breaker 3P13 on a Close circuit breaker lights do not come on when power panel 3 open any circuit breaker 3P13-1 thru 3P13-8 (Figure 2-7) b Circuit breaker P13 on b Close circuit breaker is closed switchboard open c Faulty circuit c Check circuit d Bulb(s) burned out d Replace bulb(s) 4 Emergency fluorescent a Bulb(s) burned out a Replace bulb(s) lights in ROWPU space do not come on (continued) b Faulty circuits b Check circuits 5 Emergency fluorescent a Circuit breaker 1OP13A-2 a Close circuit breaker light in dayroom does not on emergency lighting panel come on open b Circuit breaker 10P13 b Close circuit breaker on power panel 3 open 2-16