Fresenius Medical Care 2008K2, Troubleshooting Manual

Page: 605 / 676

2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Page 601
P- F.0.0 ME12 AND +5 VOLTS ARE GOOD / VERIFY SYMPTOM
Proceed according to the OBSERVED symptom ONLY! Ten (10) possible symptoms:
1) IF “24V Low” OR “24V High” OR “WD: 24V Rcvr Err Short” OR “WD: 24V Rcvr Err Long”: From
here on these are called “24V” alarms! Proceed to
page 617
, procedure number P- H.0.0 .
2) IF “5V Low” OR “5V High“: Proceed to
page 617
, procedure number P- H.0.0 .
3) IF “12V POWER FAIL“: Proceed to
page 617
, procedure number P- H.0.0 .
4) IF the screen REMAINS totally BLACK: Proceed to
page 603
, procedure number P- F.2.0 .
5) IF the original symptom was a “black screen” but it is on now: If this problem reoccurs in the near
future swap in a known good Power Logic board. If (and ONLY if) the problem reoccurs, with a known
good Power Logic board in, proceed to
page 603
, procedure number P- F.2.0. .
6) IF the screen REMAINS FULLY OR PARTIALLY white and possibly displays nothing: See
procedure number P- F.1.0 (
page 602
).
7) IF the screen displays ‘weird’ i.e. scrambled, weird colors, abnormal lines, etc.: See procedure
number P- F.1.0 (
page 602
).
8) IF “Loading Software…. Please Wait” lasts longer than one (1) minute: Proceed to
page 617
,
procedure number P- H.0.0 .
9) IF “TEMP OVER 95 Degrees” in Heat Disinfect: Proceed to
page 617
, procedure number P- H.0.0 .
10) IF “Failed Sending Data To Actuator Board”: Perform parts A through E below:
A)
To prevent damage, turn the machine OFF!
B) Inside the card cage, reseat the Actuator-Test Board (2 nd board from the left).
C) Reseat the Functional Board (3
rd
board from the left).
D) Reseat the Sensor Board (1
st
board from right).
E) Turn the machine on. If a ”24V” alarm occurs OR “Failed Sending Data…” reoccurs proceed to
page 617
, procedure number P- H.0.0 .