Diagnostic code…

CO₂ Low Flow / Occlusion message

MR400-CO2-001 · Philips Expression MR400

Troubleshooting

Is “CO2 Warming Up” shown, or was the sampling line just connected?

What to do:
  • Allow about 2 minutes to warm up and a few seconds for flow to start.
Yes — wait, then check again
No
  1. 1 Is “CO2 Warming Up” shown, o…

Previous diagnostics (…)

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