Connex 360

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.

Won't power up source ↗

• New battery: connect AC to wake it
• Power supply output should be 15 V ±0.45 V DC
• Charge 5 h; replace battery (battery PCBA kit 108962) / main board

Touchscreen unresponsive or blank source ↗

• Touch to wake from Sleep
• Calibrate; run Host Calibration Sequence in Service Tool
• Replace LCD/touch assembly (kit 108872), then main board

No nurse-call alarm signalling source ↗

• Check alarm limits and that audio isn't silenced
• Host Calibration Sequence; main board

Won't join Wi-Fi source ↗

• Check network settings and range
• Run Blackwell radio functional check; update software
• Replace radio PCBA (kit 108873) / antenna (1097242)

Ethernet won't connect source ↗

• Verify network port configured
• Run Ethernet functional check; update software; main board

NIBP not working source ↗

• Leak-check cuff and hose; check single-lumen switch PCBA (kit 108963)
• Replace NIBP module (kit 108837)

Won't power on source ↗

• Confirm AC cord/outlet and battery charge
• Check internal power/battery harnesses
• Measure power supply output against spec (15 V DC on Welch Allyn Connex and Philips VS3)
• Charge battery fully; replace if still empty

Touchscreen issues source ↗

• Check whether touch is disabled/locked
• Calibrate touchscreen
• Check touchscreen cables before replacing parts