Stryker XPRT Manual De Uso página 63

SERVICE CODES (CONTINUED)
Service Event Code
FootEndLow 69
FootEndHigh 70
HeadEndLow 71
HeadEndHigh 72
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Service Information
Description
Abnormal temperature in foot box .
Temperature is between
140 degrees F (48 .8 - 60 degrees C) .
Over temperature in foot box . Temp .
> 140 degrees F (60 degrees C) .
Displays message "Auto . Overload
Caused a Power Shutdown . "
Abnormal temperature in
box . Temperature is between 120 -
140 degrees F (48 .8 - 60 degrees C) .
Over temperature in head box . Temp .
> 140 degrees F (60 degrees C) .
Displays message "Auto . Overload
Caused a Power Shutdown . "
2950-109-005 REV B
Problem Area
This message is entered into the service
log as information only for trending
120 - purposes . There is no error message
displayed to the user .
1 . Let unit cool, reset service alarm
by resetting service log and cycling
power . Open service screen and if
temperature is over 140 degrees F
(60 degrees C) with cool foot box,
check blue cable white/green and
orange/white conductors . Bend blue
cable at all connector locations and
monitor foot box temperature reading .
Check for continuity or intermittence
in all blue wire harnesses between the
foot box and head box for white/green
and orange/white conductors .
2 . Check for kinked supply tubing in
support surface and replace with wire
reinforced supply tubing and clamps
if necessary .
3 . Check for kinked Low Air Loss tubing .
4 . Check for plugged bulkhead fitting at
foot box and replace if necessary .
5 . Check for kinked
compressor to bulkhead fitting in foot
box .
6 . Check for supply tubing too close or
touching sensor U5 on power PCB .
7 . Replace the transformer if the no-
load current is greater than 50ma .
To measure the no-load current,
disconnect J12 from the power PC
board and measure the AC current
through the brown wire between
the EMI filter and the terminal
block . CAUTION - HIGH VOLTAGE
MEASUREMENT .
head 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 for overheated percussion
motor .
2 . Check percussion motor belt tension .
3 . Check connecting rod bearing .
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