Midmark M9/M11 Error Code C572 Leave a comment
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Display/Symptom
C572: FILL MODE STEAM TEMP OVERLIM
UNPLUG/REPLUG UNIT
Steam temperature exceeds 284°F (140°C) during FILL mode.
Causes, Checks and Actions
Possible Cause 1: Temperature sensor malfunctioning.
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- Check A: Check for residue build up on temperature sensor probe.
- Action A: Clean sensor probe with Speed-Clean, distilled water, and abrasive pad.
- Check B: Check that nothing is touching or crowding the temperature sensor. (Example: trays, pouches, cassettes, etc.)
- Action B: Reposition items so nothing touches or crowds the temperature sensor.
- Check C: Perform: Temperature Sensor Resistance Test. Allow sensor to cool to room temperature before testing. Acceptable range 1.07-1.1K Ω. Refer to: Temperature Sensor Resistance Test
- Action C: Replace temperature sensor.
M9 Temperature Sensor available here
M11 Temperature Sensor available here.
- Check D: Perform: Temperature Sensor Supply Voltage Test. Disconnect sensor harness from J12 on PC board. On pins 1 & 2 acceptable range is 4.0 – 6.0 VDC. Refer to: Temperature Sensor Supply Voltage Test
- Action D: Replace Main PC board.
Possible Cause 2: Sterilizer is unlevel. (remove tray/trays)
- Check 1: Verify support surface is level.
- Check 2: Verify water on all sides of chamber are equal.
- Action: Place sterilizer on a level support surface.
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