Von Duprin 1113E Lgic Boards for fire alarm

Von Duprin 1113E is a fire‑alarm input/output board used to interface fire‑alarm signals with building control systems. Common failure points include burnt or tripped relays, degraded dry contacts, and power‑supply voltage drops that can trigger false supervision errors. First‑check the 30 VDC supply for continuity and proper current draw; inspect all relay contacts for corrosion or mechanical wear; then verify that the fire‑alarm input is correctly wired (closed = no alarm) and that any supervisory outputs remain within spec.[oss-gpt-20b]

Need your Von Duprin repaired or tested?

We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

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