Fresenius Medical Care 2008T Troubleshoot Manual

2008T Troubleshooting Guide
P/N 490292 Rev. A
Page 332
T- 7.8.0 [MONITOR REFERENCE] CHANGES MORE THAN +/- 0.2° C
a) Figure right, place the 34° C (6.808 KΩ)
plug from the FOUR RESISTOR SET into
the 2
nd
distribution board position from
the left “MON-NTC”.
b) TWO (2) possible scenarios ,
based on the screen’s [Monitor
Reference] data box:
1) IF (and ONLY if) [Monitor Reference] continues to change more than 0.2 °C per minute:
THREE (3) possible bad components: 1) Unstable +12 and / or -12 volt DC voltage (i.e. possible
bad Power Logic Board); 2) Bad Sensor Board; 3) Bad Functional Board.
2) IF [Monitor Reference] does DOES NOT change more than 0.2 °C per minute: NTC #3 may be
bad: See parts a AND b below:
a) Replace NTC #3* with a known good! *To LOCATE NTC #3 refer to Figure 42 (page 236).
b) Return to (ABOVE) procedure number T- 7.2.1 (page 323).
LEFT BLANK INTENTIONALLY

Fresenius Medical Care 2008T Specifications

General

Brand	Fresenius Medical Care
Model	2008T
Category	Medical Equipment
Language	English