M3 Sterilizer General System Error Codes: C442 Troubleshooting
Items Not Sterile message will be displayed if an error occurs in any of the following modes: Close mode, Heat Up Mode, or Sterilize Mode. Otherwise, message will not appear. This message is intended to indicate to the user that the items in the chamber may or may not be sterile, and must be reprocessed.
C:442 Close Mode
| Display / Symptom | Cause | Check | Action |
|---|---|---|---|
|
C442: CLOSE MODE EXTERNAL TANK FULL PUSH STOP TO RESTART The external tank water level sensor detected water level in the external tank is too high to perform next cycle. |
External condensing tank is full. | Visually check tank to see if full. | Empty external condensing tank. |
| Corrosion on condensing tank level sensors. | Visually inspect external condensing tank water level sensors. | Clean sensors, copper coil, and inside of condensing tank with a clean cloth. | |
| Level sensors or attached wiring damaged. | Check level sensors and attached wiring for damage. | Replace level sensors and/or wiring. | |
| System is not processing data properly. | Go into Service Diagnostics to verify sensor operation. | Water Level / External Tank Display Screen |
