The Edwards Inc. PDM48‑B is an electronic nurse‑calling cord controller used in hospital patient‑station systems to transmit call signals and status indicators. Common failures on this board include burned or tripped protection diodes, degraded relay contacts, and loose solder joints on the signal input/output pins; power supply decoupling capacitors often fail after prolonged use. First‑check steps: verify the 24 V DC supply voltage at the board’s input terminals, inspect all I/O connectors for corrosion or broken pins, and run a continuity test across the relay contacts to ensure proper operation.[oss-gpt-20b] |
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Edwards Inc. PDM48-B Electronic Nurse Calling corder
Edwards Inc. PDM48-B Electronic Nurse Calling corderIndustrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.
Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.