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Fire Alarm Resource Center
Panels, trouble codes, Q&A, and specs. Everything a fire alarm technician needs in one place.
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Trending
How do I program the Silent Knight 6820 via the USB interface, and what software is required?
QuestionSilent Knight 6820 Answered 327
What does 'KEY BUS TROUBLE' mean on the 5820XL and how do I resolve it?
QuestionSilent Knight 5820XL Answered 317
I'm getting CHECK or TRBL 974 on my Honeywell VISTA-128FBP. What should I check?
QuestionHoneywell VISTA-128FBP Answered 294
I'm getting 972 Earth Ground Fault on my Honeywell VISTA-128FBP. What should I check?
QuestionHoneywell VISTA-128FBP Answered 276
What does INVREP trouble mean on the MS-9200UDLS and how do I resolve it?
QuestionFire-Lite MS-9200UDLS Answered 243
CHECK or TRBL 974
Trouble CodeHoneywell VISTA-128FBP 239
TROUBLE
Trouble CodeEdwards Est EST3 228
4009 NAC Power Failure
Trouble CodeSimplex 4010ES 215
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