Dvf- 4.2.2 Both Measurements Between 40 And 100 Ohms; Dvf- 4.3.0 Valve Error = 1 Longer Than Two Seconds - Fresenius Medical Care 2008K2 Troubleshooting Manual

DVF- 4.2.2 BOTH MEASUREMENTS BETWEEN 40 AND 100 Ω
a) Turn the machine ON.
b) Return to Dialysis Program ("Select Program" → 'Dialysis' → 'CONFIRM')!
c) If (and ONLY if) a "Dial Valve Failure" OR "Act Byp Valve
Fail" alarm banner reoccurs see procedure number
DVF- 4.3.0 (page 659). If neither occurs allow five (5)
minutes BEFORE continuing to part d!
d) Call debug screen 1. Is VERR (right column, bottom) = 0?
Yes VERR = 0! See (ABOVE) procedure number
No VERR = 1 OR more! Call debug screen 0. Ignoring Flow Error, for one (1) minute, watch the
nd
2 window down
Valve Error
does
Yes
No

DVF- 4.3.0 VALVE ERROR = 1 LONGER THAN TWO SECONDS

Assuming all procedures were performed correctly, THREE (3) possible bad components (see COMPONENT
LIST below). Swap in each, one at a time, and in between return to Dialysis Program to test the new
component until debug screen 1's VERR remains = 0.
COMPONENT LIST: 1) Actuator-Test Board; 2) Functional Board
1
To prevent "Cond Offset Failure", place the machine into T and C Mode (refer to
page Error! Bookmark not defined.)).
Valve Error!
, Ignoring a 'blink to 1' that lasts less than one (1) second,
EVER = 1 for LONGER THAN two (2) seconds?
Valve Error = 1 for LONGER THAN two (2) seconds! See procedure number
DVF- 4.3.0 (page 659).
Valve Error = 0 OR 'blinks to 1' for less than one second! Proceed to
195
, TROUBLESHOOTING VALVE ERRORS IN DIALYSIS PROGRAM
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
page 656
DVF- 2.1.0 (
1
; 3) Distribution board.
OPERATING
).
page
MODES,
Page 659