Problem With Venting

This Troubleshooting Guide is applicable for the following Midmark Autoclave Model Numbers: M9-001 thru -019, M9D-001 thru -019, M11-001 thru -019, M11D-001 thru -019

Notice Red Led Display


If Your Midmark has a Red LED Display as shown above, then this is the right guide for you

Chamber Does Not Vent Properly


Display/Symptom Cause What to Check Solution
Door opens after a longer than normal venting period on M9 and / or M11 Autoclaves

OPEN THE DOOR Lamp Illuminates After Longer Than Normal Venting Period on M9D and / or M11D Autoclaves
  1. Drain, Filter, or Vent Tubing Plugged
  2. Vent Solenoid Malfunctioning or Stuck.
  1. Remove Filter and Tubing and Inspect
  2. Check Resistance of Vent Solenoid Coil
  1. Clean, Drain, and Flush Tubing. Replace / Clean Filter
  2. Replace / Clean Vent Solenoid Valve

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