Arena Service Manual
patient. Even with some high flux (high KUf) dialyzers
fluid removal may be necessary even when the TMP
alarm limit is set at a negative value.
Setting the minimum UF rate above 0 mmHg will remove
fluid from the patient.
Water leaking from or found under the Instrument
should be interpreted as an indication of a potential
ultrafiltration error.
Do not enter data in Constant Entry without direct
authorization from Baxter. If you inadvertently change a
calibration constant or you are not sure if the present
value is correct, remove the Instrument from service and
contact Baxter for instructions.
After maintenance is completed, make sure that DIP
Switches 1 and 2 are in the off position and the
Instrument is hard powered off to remove it from the
Calibration Mode.
After maintenance is completed, perform a complete
functional test of the Instrument before returning it to
clinical use.
Do make sure that all calibration Instruments are
regularly calibrated against either primary standards or
standards that are traceable to the National Institute for
Standards and Technology (formerly National Bureau of
Standards).
1.4.2.3 Electrical Safety
Electric Shock Hazard. Do not attempt to perform any of
the procedures described in this manual unless you
have been properly trained on the Instrument.
To prevent possible injury, the Instrument must be hard
powered off (mains power switch off) before working
with the fan. The fan may start without warning if the
Instrument is soft powered off.
The Arena Instrument is intended to be operated with a
mains ground system.
Make sure that the Instrument is properly grounded
during operation. For patient safety, if the protective
earth on the mains connector plug is broken or the
protective earth wire is broken, repair before using.
(Possible hazards may arise which may cause the
allowable leakage current to be exceeded.)
1-8 157-1278-896, Rev A
March 2004
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