F- 7.4.3 Isolate Actuator-Test Board; F- 7.4.4 Isolate Valve #30 - Fresenius Medical Care 2008K2 Troubleshooting Manual

F- 7.4.3 ISOLATE ACTUATOR-TEST BOARD

Per the Figure below, touch valve #30's (black) solenoid. Is it HOT?
Yes Valve #30's solenoid is hot! See procedure number
No Valve #30's solenoid is NOT hot! See parts a THROUGH c below:
a) Return valve #38 AND #31 to their distribution board positions.
b) Return the Deaeration AND Flow Pump to their distribution board positions.
ONLY
c) NOTE
TROUBLESHOOTING A

F- 7.4.4 ISOLATE VALVE #30

a) Per the Figure above, check through valve #30's INPUT and OUTPUT tubing for bio-growth restrictions.
b) Remove valve #30's INPUT tubing and attach a syringe, with tubing attached that will fit snug over the
valve's nozzle.
c) Push or pull on the syringe plunger. If valve #30 is open the plunger moves with no resistance. TWO (2)
possible scenarios:
1) IF the plunger offers NO resistance i.e. valve #30 open: See procedure number
80).
2) IF the plunger offers resistance i.e. valve #30 restricted: TWO (2) possible bad components:
1) Valve #30 OR; 2) Actuator-Test Board*.
(page 9).
VALVE #30 will be checked and proceed to
VALVE.
Figure 19 – Valve #30
*
To LOCATE the Actuator-Test board, refer to
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
F- 7.4.4 (page 79).
page 192
,
F- 7.4.5 (page
Figure 4A
Page 79