At 0030, artic sun tech support called for temperature issues with warmer water temp and temp probes above target temperature.Rectal probe is now onto temp probe #1, ad swapped with esophageal probe.2nd machine in house with broken temp probe.At 0430, artic sun tech support called for water temperature fluctuating.Advised to swap cable in back of machine from #2 spot to #1 and attach to rectal probe.Next day, at 515, water temp continued to decline to temp 11.5 c.Artic sun turned off and new artic sun machine replaced around 0535.New parameters adjusted.Rectal probe attached to #1.Remaining time left as of 0522 is 65 hrs of cooling time.Heart rate dipped into low 80's.Md aware of machine issues.This machine was checked by biomed less than 1 month ago and reported that it was "functioning as it should".They are currently working to check both of our in-house machines.Our rental company does not carry this type of cooling machine and we do not have disposables to use any of their equipment as backup.3rd machine obtained by house.Machine functioning properly as we are into day 2 of cooling protocol.
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