ZOLL M Series Invasive Blood Pressure 17TroubleshootingThe following table lists the IBP messages, the problem each message indicates, and the actions youshould take to fix the problem. Read this section carefully before monitoring patients. For furtherassistance, call ZOLL Technical Service at 1-800-348-9011. Customers outside the United Statesshould call the nearest authorized ZOLL Medical Corporation sales representative.CAUTION ! Determine that altered waveform and pressure are not the result of physiologicchanges requiring immediate action prior to systematic troubleshooting.WARNING! * Leaks in the tubing/catheter system may effectively cause the patient tohemorrhage.Message/Symptom: Problem: User Action:CHECK P1TRANSDUCERCHECK P2TRANSDUCERThe transducer connection is broken.A short or open circuit is detected inthe transducer.Check transducer and cabling.Replace the transducer or cabling.ICU ERROR XXX No communication from the IBPprocessor.BP processor failed self-test.Turn unit off, wait 10 seconds and retry.If problem persists, return unit to ZOLLTechnical Service.REPLACE P1TRANSDUCERREPLACE P2TRANSDUCERTransducer signal is incompatible withM Series unit.Use transducer that is compatible with MSeries unit.REZERO P1REZERO P2M Series unit was unable to establish azero reference value.Rezero the transducer.SYSTEM FAULT Communication problem with the IBPprocessor.Turn unit off, wait 10 seconds and retry.If problem persists, return unit to ZOLLTechnical Service.ZERO P1ZERO P2No zero reference has beenestablished.Zero the transducer.No BP waveform Large leak in the tubing system.Transducer interface cable is loose.Display scale set improperly.Mechanical coupling between catheterand transducer is compromised.Defective transducer.Check for leaks in the tubing/cathetersystem*.Assure connections are made. Replace cable ifnecessary.Rescale displayed trace.Check that stopcocks are in the properposition for monitoring.Check for kinks in tubing.Check for blood clots in tubing.Replace transducer.