Fresenius Medical Care 2008K Troubleshooting Manual page 166

Yes Problem solved! The previous actuator cable was bad.
No Continue with EOS- 4.0.0, step #4 (the previous actuator cable is good).
4. Distribution Board or Motherboard: If you are absolutely sure that all of the above checks have
been performed correctly, two possibilities: 1) Bad distribution board; 2) Bad motherboard.
EOS- 5.0.0 ACID AND BICARB ERROR
a) Referring to Figure 63
towards the top and their cables extending from the side.
IMPORTANT!
b) Turn the machine off to prevent damage!
c) Swap in a known good actuator board (see
d) Place the machine into Dialysis program (remember to press the 'CONFIRM' key).
e) Allow one minute then call debug screen 0. Do BOTH pump symbols REMAIN white?
Yes The previous actuator board is bad.
No The previous actuator board is good. See procedure number
EOS- 5.0.1 CHECK THE PUMPS
IMPORTANT!
a) Turn the machine off to prevent damage!
b) Referring to Figure 63
(acid pump).
c) Place the machine into Dialysis program (remember to press the 'CONFIRM' key) and allow one
minute.
d) Call debug screen 0. Does the acid pump symbol = white?
Yes Repeat from procedure number
No Four possibilities (see
3) Bad distribution board; 4) Bad mother board
(page 162), assure that both pumps are mounted with their output nozzle
Figure
(page 162), plug in a known good pump into distribution board position "P16"
EOS-
Figure 4A, page 8): 1) Bad actuator cable; 2) Bad sensor cable;
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 6 –Concentrate Pump Errors
4A, page 8)
EOS- 5.0.1
5.0.1, step a, for the bicarbonate pump ("P17").
(page 164).
Page 164