Crrt machine with erroneous error messages.
Main alarm was inability to calibrate pbp scale.
Later when attempting to restart/clear machine message that had no relation to what was going on with machine, i.
E.
: "cassette error" when there was no cassette in place (m100 had been removed and taken down).
Multiple attempts to clear scale by opening and closing door, taking pbp bag off, taking handle off, changed pbp bag failed prior to being forced to return blood and attempt with new m100.
Failed with new m100.
Machine turned off briefly and restarted, again scales failed.
Machine stopped and powered down.
Manufacturer response for crrt, (brand not provided) (per site reporter).
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