Dvf- 2.1.0 Isolate Valve #24 Short Circuit - Fresenius Medical Care 2008K2 Troubleshooting Manual

DVF- 2.1.0 ISOLATE VALVE #24 SHORT CIRCUIT

a) ENSURE a "No Water" alarm NEVER appears!
b) Call debug screen 0. WITHOUT LOOKING AWAY, watch Flow Error,
for three (3) minutes. If EVER = 1, even if only once, indicates a Flow
Error. TWO (2) possible scenarios:
1) IF (and ONLY if) Flow Error EVER = 1: Return to
2) IF Flow Error ALWAYS = 0: Perform parts A THROUGH I below
A) Call the Home screen.
B) Allow Temperature to reach between 35.0 and 39.0 °C; Conductivity between 13.0 and 14.5
mS!
C) At the bottom of the screen, select the 'Dialysate' tab.
D) If necessary, adjust the Conductivity Limits until 'Actual'
Conductivity is CENTERED between the Limits.
E) Press 'CONFIRM'
F) Call debug screen 0 to locate Valve #24's 'dot' (Figure right).
CLOSE THE SHUNT DOOR!
G)
H) Allow up to two (2) minutes OR until Valve #24's 'dot' turns blue.
I) Allow five (5) MORE minutes! Does "Dialyze Valve Fail" OR "Act Byp Valve Fail" alarm banner
occur?
Yes
No Whatever was causing the problem is no longer present! Watch for ten (10 minutes).
If a Flow Error reoccurs proceed to
"Dialyze Valve Fail" OR a "Act Byp Valve Fail" occurs! Electrical problem with
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Valve #24. Proceed to
LEFT BLANK INTENTIONALLY
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
page 27
, procedure number
, procedure number DVF-
page 27
, procedure number
F- 1.0.6.
4.0.0.
F- 1.0.6.
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