Q: I have a 3M Steri-Vac 5XL machine. It is showing E8 and E6 errors. What should I do?
A: E6 Pressure Sensor Failure indicates a vacuum sensor failure. This is only a range check and is designed to detect a disconnected sensor.
E7 Pressure With Door Open Failure indicates a range failure while the door is open (i.e., out-of range ambient pressure).
E8 Sensor Conversion Error indicates that the temperature circuit is out of calibration.
Q: Water in drain fault. Any recommendations? At end of exhaust stage.
A: Check vacuum level during the drying phase. It should reach below 1 psi. If it’s above 4 psi then this alarm will come. Check water pressure, water inlet strainer, water inlet solenoid valve and, finally, the vantury system. Rarely a water level detector.
A: In general, water in the drain following a drying phase would indicate it is backfilling into the drain. Drainline or chamber trap check valve leaking. When the unit ceases pulling a vacuum at end of drying phase, advances to air in, water is also being pulled in at the same time. That is my guess based upon the limited information available. If it’s actually happening when the machine is exhausting, that is when steam pressure is being evacuated after sterilizing, then you have something a little more complicated going on.
Q: After changing the battery in the IV pump with a known good battery, the “warning replace battery” message continues to appear and alarm. Is there a way to reset this in a biomed menu or reset the system completely?
A: Yes, there should be a button at the bottom of the screen that says something like “change battery” or “reset battery.” Should come up as soon as you go into Biomed Mode.
A: Yes, with the door open turn on the pump. After bootup, with the door still open, press the decimal point key and then the start key – sometimes you need to toggle back and forth a couple of times. You will then see a screen that has date/time, alarm log and below that you will see a reset battery. Ensure you have the unit plugged into AC power before you hit the button.
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