Stryker XPRT Bedienungs- Und Wartungshandbuch Seite 64

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SERVICE CODES (CONTINUED)
Service Event
TurnAssist
MaxInflate
HugePressureLeak
LowPressureLeak
Stepper_Alarm
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1-60
Service Information
Code Description
73 Turn Assist time limit was reached .
74 Max inflate time limit was reached .
75 Set point pressure was not reached
within 10 minutes .
Unit may not complete "Preparing
Surface" screen .
Displays message "Service Required
by Qualified Service Personnel" .
76 The compressor restarted 20 times
with less than 20 seconds between
each restart .
77 Stepper motor could not find home
in specified number of steps .
2950-109-005 REV B
Problem Area
Operator selected turn assist nursing
feature and did not return to a therapy
mode . Train operator on Turn Assist
function and alarms .
Operator selected Max Inflate nursing
feature and did not return to a therapy
mode . Train operator on Max Inflate
function and alarms .
1 . Check for tubing leaks at connections .
2 . Check for leaks in cells .
3 . Check CPR engagement and "O"
rings .
4 . Check for compressor output of 28 to
32 lpm during initial inflation . This can
be tested by connecting a flow meter
in line at foot box, pulling a CPR plug
and holding CPR limit switch engaged .
5 . Check for kinked supply tubing in
support surface and replace with wire
reinforced supply tubing and clamps
if necessary .
6 . Check for plugged bulkhead fitting at
foot box and replace if necessary .
This message is entered into the service
log as information only for trending
purposes . There is no error message
displayed to the user .
1 . Check that the stepper motor/rotary
valve completes two revolutions and
stops with the flag in front of the
optical sensor during power-up .
2 . Check that the valve spins freely by
hand and is not bound or jammed .
3 . Check that the connectors are fully
seated in the head box control PC
board at TB9 and TB10 .
4 . Check the optical sensor for a voltage
between the orange and green wires
(TB9) for 1 .2 volts . If not present,
replace head box control PC board .
5 . Check the optical sensor for a voltage
between the blue and white wires
(TB9) of less than 0 .2 volts DC when
the flag is aligned with the sensor and
greater than 4 .0 volts DC when not
aligned . Replace sensor if necessary .
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