Arena Service Manual
Table 2-1. Preparation Modes
Mode Indications Actions allowed/disallowed
Hard Power Off
See section 5.2
No power is delivered to the instrument. In this mode, normal operation or
Calibration Mode is selected.
Hard Power On
See Section 5.2
Backlight, alarm light, and BEEP on
Power supply is turned on.
Boards have power; all light up.
Fan can operate if inside temperature
requires it.
Will turn "off" (SOFT POWER OFF) when
completed
Turn soft power on.
Select Calibration Mode.
Soft Power On
See Section 5.2
After operator presses front panel power
key, Instrument goes to Power On Mode.
Power On After a few seconds, Instrument goes to
the Standby Mode.
Standby Stays here until you put it in Rinse Mode
Proportioning pumps/heater are running.
Dialysate temperature flow is set to the
last used (can not be changed).
Dialysate is in bypass.
UF flow meter is on. Valves 1 and 4 are
open until the Rinse Mode is activated.
Rinse valve is open.
TMP is around 200.
Air and conductivity audible alarms,
mutable, but recur every 1min. 40 sec.
Event Timer functions and all following
modes.
NIBP version displayed and pressure
accuracy verification
Can turn bypass LED off by pressing
button
Can NOT take a patient blood pressure
reading
Can use level buttons to check NIBP
Can set blood pump speed (but not run
blood pumps)
Can go to Rinse Mode (if dialyzer
connectors are on the rinse block) by
pressing RINSE, then VERIFY
Can not accept a Patient Data Card
Rinse No air and conductivity audible alarms
Audio alarms available for no supply,
arterial pressure, venous pressure, or
power failure
Venous clamp open if dialyzer connectors
are on the rinse block; closed if dialyzer
connectors are off the rinse block
Dialysate out of bypass and cycles every
45 seconds. UF rate automatically set
at 3.60 L/h
Pressures between flow equalizer cavities
relieved so there is no excessive
vacuum in flow path (dialysate pressure
relief valve remains open)
After concentrates are connected and
normal conductivity & temperature are
achieved, audible alarm beeps 3 times,
main alarm lamp flashes, then
SHUTDOWN TEST begins
automatically.
Can go to heat/chemical cleaning
Can take patient BP
Blood pump speed can be set
Can run the blood pump if dialysate lines
are interlocked
Dialysate flow and temperature can be set
Standard sodium can be set
Can operate bypass (will stay in bypass
only 1 min.) but NOT break the interlock
Can initiate SELF TEST by touching
TEST then VERIFY
Self Test Performs predialysis "operator tests"
3-4 157-1278-910 Rev A
November 2003