2008T Troubleshooting Guide
P/N 490292 Rev. A
P- F.8.0 ST 12 STILL LESS THAN 23.0 VOLTS
a) To avoid damage, turn the machine OFF!
b) Figure below, unplug the modules ONLY,
including the Blood Pressure module! DO NOT
unplug the 24V Harness or shunt!
c)
Reconnect the Actuator Cable!
d) Turn the machine on (fan running)! Ignore “Art BP No Comm” OR “Blood Still Sensed!” if they
occur!
f) Measure again from the rear side of the Power Control Board’s ST12 connector. More than 23.0 volts DC
now? TWO (2) possible scenarios:
1) IF (and ONLY if) still less than 23.0 volts! TWO (2) possible bad components: 1) Bad Power
Control board (inside the power supply) OR 2) Bad power supply.
2) IF now more than 23.0 volts! One of the modules (or its cable) may be bad. To locate the bad
module perform parts A through D below:
A)
To prevent damage turn the machine OFF!
B) Your choice, plug in one of the modules*.
C) Turn the machine on and measure again at ST12. If less than 23.0 volts the last module
plugged in is the problem.
D) Repeat parts A) through D) until you locate the bad module.
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