ECG-2250
Nihon Kohden · ECG
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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 ECG-2250 (3)
Artifact during recording source ↗
- Stop recording immediately and remove the cause (overheating risk); see Troubleshooting, Section 9
ST-segment distortion at HR <50 source ↗
- Baseline drift suppression 'Strong' can distort ST: set 'Weak' for bradycardia
Battery pack source ↗
- Use only the SB-901DC battery pack; keep it dry
🧰 Common checks for ECG (2)
Leads off / bad waveform source ↗
- Swap patient cable, then harness, then ECG board
Power/battery source ↗
- Check AC fuses; fewer than 10 reports per charge = replace battery
📞 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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