IV - 2
INDICATOR POSSIBLE PROBLEMS POSSIBLE SOLUTIONS
Main Board Troubles
Zone Trouble 1.) Open initiating circuit wiring 1.) Correct wiring fault
2.) Loss of power to 4-wire smoke detectors 2.) A.) Restore smoke
detector power
B.) Correct wiring
fault
15208 Troubleshooting Module
Brown-Out 1.) Low 120 V.A.C. input 1.) Correct A.C. input
(must be at least 108 V.A.C.)
Power Trouble 1.) Open 120 V.A.C. input 1.) A.) Reset circuit breaker
B.) Correct wiring fault
Negative Ground 1.) Grounded installation wire 1.) Check all wiring for grounds
Signal Cicuit Open 1.) Open signal circuit 1.) A.) Correct wiring fault
B.) Connect both circuits
2.) Activated signal circuit 2.) Operate SYSTEM RESET switch
3.) Fuse F5 or F6 blown 3.) Replace with proper fuse
Signal Circuit Short 1.) Shorted signal circuit 1.) Correct wiring fault
2.) Signals not properly connected 2.) Check for proper polarity
3.) Signals not polarized 3.) Replace with proper signals
Positive Ground 1.) Grounded installation wire 1.) Check all wiring for grounds
Battery Trouble 1.) Battery set not connected 1.) Connect battery set
to B+ and B- leads
2.) Low battery voltage 2.) Allow battery set to charge
for 48 hours, if still low
replace battery set
3.) Shorted battery 3.) A.) Unshort B+ and B- leads
B.) Replace battery set
TROUBLESHOOTING GUIDE (Cont'd)
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