F- 2.0.0 Isolate Valve Error/Balancing Chamber Valves Cycling; F- 2.1.0 The Balancing Chamber (Bc) 'Dots' Are Not Cycling; F- 2.2.0 Bc Valves Not Cycling/Verr = 0 - Fresenius Medical Care 2008K2 Troubleshooting Manual

F- 2.0.0 ISOLATE VALVE ERROR / BALANCING CHAMBER VALVES CYLING
a) Call debug screen 1 to ENSURE FILACT REMAINS = 0!
b) Call debug screen 0.
c) Figure right, watch the Balancing Chamber valve
thirty (30) seconds
'dots' for
CYCLE between white and blue.
d) TWO (2) possible scenarios 1) or 2 below:
1) IF (and ONLY if) the 'dot's cycle, possibly every
nine (9) seconds: Proceed to
number F- 2.5.0.
2) IF the 'dots' NEVER cycle i.e. four (4) STAYING blue AND four (4) STAYING white OR all eight
(8) STAYING white: See procedure number

F- 2.1.0 THE BALANCING CHAMBER (BC) 'DOTS' ARE NOT CYCLING

Call debug screen 1. Is VERR (right column, bottom) = 0?
Yes VERR = 0! See procedure number
No VERR = 1 OR more! See parts a AND b below:
a) Call debug screen 0 (Figure right) and locate
nd
2
( window down). IGNORE the top Flow Error window.
b) WITHOUT LOOKING AWAY, ignoring a 'blink' to 1 that lasts less than (2) two seconds,
watch Valve Error for one (1) minute or until if it = 1 for LONGER THAN two (2) seconds.
TWO (2) possible scenarios:
1) IF (and ONLY if) Valve Error = 0 OR 'blinks' to 1 for less than two (2) seconds:
Proceed to
PROGRAM
2) IF Valve Error EVER = 1 LONGER THAN two (2) seconds! Proceed to
Section
F- 2.2.0 BC VALVES NOT CYCLING / VERR = 0
Call debug screen 2. Is ! EMPTY (left column) = 1?
or until if they
page 32
, procedure
F- 2.2.0
page 195
, TROUBLESHOOTING VALVE ERRORS IN DIALYSIS
26.
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
F- 2.1.0 (page 30).
(page 30).
Valve Error
page 652,
Page 30