BSM-2500
Nihon Kohden · Patient Monitors
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✅ Check the simple stuff first
- Make sure the patient is safe — swap in a backup unit if you need to.
- Reproduce the complaint yourself and write down exactly what you see (screen, alarm, code).
- Check power, battery, cables, accessories, and settings before ordering parts.
- 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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