Stryker XPRT Bedienungs- Und Wartungshandbuch Seite 65

SERVICE CODES (CONTINUED)
Service Event Code
PercMotor 81
Speed Alarm
HeadEndElevation 85
MainPressureLeak 91
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Service Information
Description
Percussion motor does not run .
Head elevation is 60 degrees or
greater .
Percussion cells did not inflate to
pressure set point within 10 seconds .
2950-109-005 REV B
Problem Area
1 . Check drive belt is not broken or worn .
2 . Manually try to rotate percussion
shaft . Check for binding or bearing
wear . Check the shaft pulley for loose
set screws . Repair or replace as
necessary .
3 . Check that the connectors are fully
seated in the head box control PC
board at TB2 and TB8 .
4 . Start percussion therapy and check
that the motor tries to turn . Check for
approximately 2 VDC at TB2 for 2 bps
setting and 9 VDC for 6 bps setting .
If voltage present, replace motor . If
voltage is not present, replace head
box control PC board .
5 . Check the optical sensor for a voltage
between the orange and green wires
(TB8) for 1 .2 volts . If not present,
replace head box control PC board .
6 . If motor spins momentarily but then
stops, check the optical sensor for a
voltage between the blue and white
wires (TB8) of less than 0 .2 volts DC
when the shaft is blocking the sensor
and greater than 4 .0 volts DC when
the flag is aligned . Align or replace
sensor if necessary .
1 . Operator selected rotation therapy
with the head of the bed at greater
than 60 degree angle . Train operator
on rotation therapy function and
alarms .
1 . Check for leaks in percussion cells .
2 . 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 .
3 . Check for kinked supply tubing in
support surface and replace with wire
reinforced supply tubing and clamps
if necessary .
4 . Check for plugged bulkhead fitting at
foot box and replace if necessary .
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