Analyze Acfs - Fresenius Medical Care 2008T Troubleshooting Manual

F- 8.2.0 ANALYZE ACFS
a) Call debug screen 0. Figure right, look at ACFS THEN locate its value in
COLUMN 1 of the Table below.
b) Call debug screen 10.
c) Look at ACFS (right column, bottom) THEN locate its
value in COLUMN 2 of the Table below next to screen 0's
ACFS value seen in part a.
d) Based on BOTH ACFS readings, respond according to the Table's COLUMN 3,:
COLUMN 1
Screen 0's ACFS
Between 3.0 and 6.0
(Good)
Between 3.0 and 6.0
(Good)
Less than 3.0 OR more
than 6.0
(Bad)
Less than 3.0 OR more
than 6.0
(Bad)
1
Referring to OPERATING MODES (page 19), to prevent "Cond Offset Failure", place the machine into
T and C Mode THEN , with the machine off, swap these components in, one at a time, and in between,
when screen 10's ACFS goes to between 3.0 and 6.0 the last component swapped in is the culprit.
2
Referring to OPERATING MODES (page 19), to prevent "Cond Offset Failure", place the machine into
T and C Mode THEN, with the machine off, swap these components in, one at a time and in between,
when screen 0's ACFS goes to between 3.0 and 6.0 the last component swapped in is the culprit.
COLUMN 2
Screen 10's ACFS
Between 4.0 and 5.8
(Good)
Less than 4.0 OR more than 5.8
(Bad)
Between 4.0 and 5.8
(Good)
Less than 4.0 OR more than 5.8
(Bad)
2008T Troubleshooting Guide
P/N 490292 Rev. A
COLUMN 3
Your Response:
BOTH ACFS values are good! The CFS
circuit is good! See procedure number
F- 8.3.0 (page 99)
Screen 0's ACFS is good; Screen 10's
ACFS is bad
THREE (3) possible bad components
1) Sensor Board OR; 2) Functional Board
OR; 3) Mother board connection between
the Functional and Sensor Board
Screen 0's ACFS is bad; Screen 10's
ACFS is good
THREE (3) possible bad components
1) Actuator-Test Board OR; 2) Bad Sensor
Board OR; 3) Motherboard connection
between the Actuator-Test and Sensor
Board
page 111
BOTH bad! Proceed to
procedure number F- 10.0.0
1
:
2
:
,
Page 98