Fresenius Medical Care 2008K Troubleshooting Manual page 84

VE- 1.0.1 CHECK FOR VALVE ERROR AT VALVE #43
a) Call debug screen 1. Watch VERR for one minute (if necessary) to assure its still increasing. If (and
ONLY if) VERR is not increasing return to page 15, procedure number
b) Turn the machine off.
c) Referring to the Figure (right), plug one of the resistor plugs, from
the four-resistor Temperature set, into the air sensor's distribution
board position labeled "AIR-SEN" (4
from the left).
d) Place the machine into Dialysis program (remember to press the
'CONFIRM' key).
e) Allow 30 seconds. From screen 1, if the resistor plug is placed
properly, FILACT = 0 constantly.
f) From screen 1, does VERR stop increasing?
Yes NOTE that valve #43 will be checked then see procedure number
No See procedure number
VE- 1.0.2 POSSIBLE VALVE ERROR AT VALVE #43
a) Referring to the Figure (above, right), unplug the air sensor's connector (or resistor plug, if placed
previously) from distribution board position labeled "AIR-SEN".
b) Allow 30 seconds. From debug screen 1, if the air sensor was unplugged, FILACT should = 1
constant.
c) Watch VERR for one minute. Is it increasing at one unit per second?
Yes NOTE that valve #43 (ONLY) will be checked then see procedure number
84)
No Return to page 17, procedure number
Figure 37 – Debug Screen 0
th th
connector, 5 position
VE 1.0.2 (page 82).
F- 2.0.0.
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Troubleshooting Valve Errors
F- 1.0.3.
VE- 2.0.0 (page 84).
VE- 2.0.0 (page
Page 82