8. Alarms and Troubleshooting Guide
8-121
PROBLEM POSSIBLE CAUSE SYSTEM RESPONSE OPERATOR ACTION
No power or battery
run time is too short
Power cord not plugged into
AC power.
Batteries discharged in DC
operation.
Unable to turn the
system to on.
Change AC power source; check power cord connections. If battery is
completely discharged, turn the AC power OFF, plug the system into the
AC outlet to recharge the battery. Wait for at least 30 seconds before
turning the system ON.
Recharge internal battery by connecting the power cord to the AC line. If
the battery run time is less than ½ hour after a full 8 hours charge, replace
the rechargeable battery.
Power off immediately
after switching to ON.
System turns on for 2-
3 seconds, and then
turns off
automatically.
• IGBT’s on Driver ‘A’ and
‘B’ shorted.
• EPROM is not seated in
the socket properly.
System turns on, then
off immediately.
System turns on for 2-3
seconds, and then turns
off.
Service machine if problem persists. Replace Drive ‘A’ and ‘B’ boards.
Reinsert the EPROM on the Computer board,
Pump is running too
loud
Roller pump is hitting the
door or pump tubing is not
properly installed.
NA 1. Open the door and reinsert the pump tubing.
2. Check to make sure that there is no blood or debris around the door
hinges caused the door to lift up resulting in the roller pump hitting the
door hub.
System does not heat
to physiologic
temperature
Windows on the disposable
or IR sensor is wet or dirty.
Power module is not
calibrated properly.
Power module malfunction
or temperature probes are
out of calibration.
Incorrect temperature
display.
Heating fault message.
Examine the windows on the disposable set for wetness or contaminants.
Clean window with soft cloth and alcohol if necessary.
See procedure on power calibration in Chapter 6.
Check temperature probe calibration in Chapter 6.
Service machine if problem persists – replace Power Driver Module.
System does not
prime
See Fluid Out in Alarm
Message of this chapter
System will not count
down from 100 to 0 ml
in Prime.
Check the reservoir or recirculate line and make certain that it is not
obstructed, the fluid bags are fully spiked and clamps are open. The pump
tubing should not be stretched too taut and it must be firmly seated within
the sensor.
See Fluid Out in Alarm Message of this chapter
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