BSM-2500

Nihon Kohden · Patient Monitors

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BSM-2500 Operator's Manual

Operator's ManualOEM officialRev BEN
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Stuck? Start here

✅ Check the simple stuff first
  1. Make sure the patient is safe — swap in a backup unit if you need to.
  2. Reproduce the complaint yourself and write down exactly what you see (screen, alarm, code).
  3. Check power, battery, cables, accessories, and settings before ordering parts.
  4. Then open the service manual above and follow its troubleshooting section.
🛠️ Common faults for BSM-2500 (3)

NIBP reading wrong or failing source ↗

  • Cuff fit: wrong size, too tight or loose, over thick clothing, or deteriorated
  • Reading affected by ESU use, movement, vibration, small pulse, low or rapidly changing BP, CPR, slow pulse
  • Use only specified cuffs

CO2 Sensor Error / CO2 Change Adapter source ↗

  • Check the CO2 sensor kit and replace if needed; no CO2 monitoring while it's shown

Unexpected alarm behaviour across monitors source ↗

  • Alarm defaults may differ per monitor or area: verify the alarm master settings and volume
🧰 Common checks for Patient Monitors (1)

Leads off / no signal (telemetry) source ↗

  • Re-attach ECG leads
  • Confirm transmitter is in coverage and batteries are good
📞 Still stuck? Call Nihon Kohden

Contact Nihon Kohden US

Retried 2026-10-21: us.nihonkohden.com /contact/ and /support/ show only a form, and newserver-us.nkusa.com timed out (504). Search cites 1-800-325-0283 but it is unconfirmed, so left null.

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