T- 7.2.6 ‘Bob' Was Not Rising But Is Now/Reset Internal Alarm Limit - Fresenius Medical Care 2008K2 Troubleshooting Manual

T- 7.2.6 'BOB' WAS NOT RISING BUT IS NOW / RESET INTERNAL ALARM LIMIT
IMPORTANT!
a) RETURN NTC #3's connector to
distribution board position from the left "MON-NTC".
b) Select the [TEMP DAC] data box, it turns bright yellow.
c) Set [TEMP DAC] to "130" then 'sharply' press
'CONFIRM' ONCE.
IMPORTANT!
d) Allow five (5) minutes BEFORE continuing
to part e!
e) 'Sharply' press 'CONFIRM' TWICE. The [Monitor Reference] data box turns pale yellow / white.
f) DO NOT press 'CONFIRM' until instructed! Select [Monitor Reference] it turns bright yellow.
g) Ignoring the external meter adjust [Monitor Reference] to 34.0° C.
h) 'Sharply' press 'CONFIRM' TWICE to turn [Monitor Reference] GRAY! Does the GRAY [Monitor
Reference] box remain less than 35.0° C?
Yes [Monitor Reference] remains less than 35.0° C! Press and release 'CONFIRM' key until
the calibration is saved then return to (ABOVE) procedure number
No [Monitor Reference] does NOT remain less than 35.0°C! Read before performing! Swap the
listed components (see COMPONENT LIST below) one at a time, with known good, and in
between return to (ABOVE) procedure number
component until the [Monitor Reference] data box remains less than 35.0° C.
COMPONENT LIST: 1) NTC #3*; 2 ) Actuator-Test Board**; 3) Sensor Board**; 4) Sensor
Board cable; 5) Functional Board (possibly IC20).
* To LOCATE NTC #3 refer to
** To LOCATE these boards refer to
nd
2
Figure 42 (page 218)
Figure 4A
LEFT BLANK INTENTIONALLY
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
T- 7.2.1
page 305
T- 7.2.1 ( ) and test each new
(page 9)
page 305
( ).
Page 307