Connex VSM 6000

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 on source ↗

• Check power-flex cable at J6 on main board
• Check AC harness IEC connector to power supply, and supply J2 to main board J30
• Check battery harness (battery connector board J2 to main J29)
• Power supply output should be 15 V ±0.45 V DC
• Charge battery 5 h; replace if still empty; then main board

Battery won't charge / short run time source ↗

• Charge 5 h, replace if icon stays empty
• Inspect battery connector board for shorts/broken connector
• Check cycle count in service tool; replace if over 300

Noisy fan source ↗

• Blow dust out with canned air
• Replace fan if out of balance

CO2: 'Filter line disconnected' source ↗

• Connect/firmly seat the sampling line
• Replace defective sampling line; clean input connector
• If detection switch faulty, replace module

CO2: 'Occlusion in gas line' (high priority) source ↗

• Replace the sampling line
• If purge can't clear internal blockage, replace module

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