Ve- 1.0.2 Isolate Verr; Ve- 2.0.0 All Eight Balancing Chamber Valves Remaining White - Fresenius Medical Care 2008K2 Troubleshooting Manual

VE- 1.0.2 ISOLATE VERR

a) Call debug screen 0.
Figure 37 – Debug
Screen 0
Figure above
b) , watch the
possible scenarios 1) or 2) or 3) below:
1) IF (and ONLY if) ALL EIGHT are REMAINING white: See procedure number
(page 197).
2) IF (and ONLY if) four (4) are REMAINING blue AND four (4) are REMAINING white: Proceed to
page 200
, procedure number
3) IF ALL EIGHT are CYCLING between white and blue: Proceed to
number VE- 3.0.0.

VE- 2.0.0 ALL EIGHT BALANCING CHAMBER VALVES REMAINING WHITE

One of the valve circuits whose 'dots' are blue is the problem! These procedures isolate between them:
Open the shunt door and leave it open till instructed!!
a)
b) Allow up to thirty (30) seconds. Do the Balancing Chamber Valve 'dots' begin to cycle between white
and blue?
Yes The Balancing Chamber Valve 'dots' cycle! Valve #25 OR its blue wire harness is bad! To
LOCATE Valve #25 refer to
No All Balancing Chamber Valve 'dots' REMAIN white! Leaving the shunt door open, TWO (2)
possible scenarios next page:
Balancing Chamber Valve
VE- 4.0.0.
Figure 36 (page 193).
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
'dots', for one (1) minute. THREE (3)
page 199
VE- 2.0.0
, procedure
Page 197