Sentex Systems 1100051 is a keypad control board used in industrial access‑control or machine‑control applications, typically mounted on a panel and interfaced with PLCs or door‑actuation circuits. Common failure modes for this class of boards include burned‑out I/O relays, degraded capacitors, and shorted signal traces caused by moisture ingress or mechanical shock. First‑check diagnostics: verify the board’s power supply voltage (24 V DC or 12 V as specified), inspect all surface‑mount components for visible damage, and use a multimeter to test continuity of input/output contacts and any relay coils.[oss-gpt-20b] |
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145 Rockwell Place Ct
Tobaccoville, NC 27050
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Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
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No walk-ins accepted.