Arena Service Manual
• Main alarm lamp is off (except for operator prompts and error
situations).
• Audio alarm is muted (except for operator prompts and error
situations).
• The blood pump will not operate.
• The heparin pump, dialysate flow rate, conductivity,
temperature, prescribed time, target UF, TMP and UF rate
functions cannot be accessed/changed.
• The UF rate is automatically set to 3.6 L/h.
• ELAPSED TIME display indicates the elapsed time of each
disinfection phase or HOLD as appropriate.
• The operator may select from technician set chemical list.
• Formaldehyde dilution is dependent upon technician setting.
• Auto soft power off during dwell for some chemicals.
• If dwell time is not complete when the Instrument is powered
up, the operator is prompted about the remaining time and the
Instrument automatically soft powers off.
• The operator may manually start the forced rinse.
• Forced rinse flow rate automatically set to technician set value.
• Forced rinse time dependent upon technician set residual
chemical sample location, chemical and forced rinse flow rate.
• The Event Timer is available.
For instruments with the Blood Pressure Monitor option:
• A manual blood pressure reading may be taken.
3.3.4 Shut Down
3.3.4.1 Instrument status window displays
SHUTDOWN
3.3.4.2 Instrument action
• The blood pump is stopped.
• The venous line clamp is clamped.
• All pumps are stopped.
• UF flow meter is turned off.
• Audio alarm sounds.
3-12 157-1278-910 Rev A
November 2003
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