F- 6.3.0 Restricted Drain Flow/Isolate 'Drain' Valve #30/Actuator-Test Board; F- 6.3.1 Isolate Drain Valve #30 - Fresenius Medical Care 2008K2 Troubleshooting Manual

F- 6.3.0 RESTRICTED DRAIN FLOW / ISOLATE 'DRAIN' VALVE #30 / ACTUATOR-TEST BOARD
Per the Figure below, touch valve #30's (black) solenoid. Is it HOT?
Yes Solenoid is hot! See procedure number
No Solenoid is NOT hot! NOTE
TROUBLESHOOTING A

F- 6.3.1 ISOLATE DRAIN VALVE #30

a) Turn Dialysate Flow OFF (Flow on/off lamp blinks).
b) Check through Valve #30's input AND output tubing for bio-growth
restrictions.
c) Figure right, at the rear of the machine, remove the tubing from the
'To Drain' (BOTTOM!) nozzle.
d) Check inside the nozzle for restrictions!
e) Per the Figure above, remove the tubing from Valve #30's INPUT nozzle.
f) Attach a syringe, with tubing attached that will fit SNUG over Valve #30's nozzle.
g) Push or pull on the syringe plunger. If Valve #30 is open the plunger moves with no resistance. TWO (2)
possible scenarios next page:
F- 6.3.1
ONLY
VALVE #30 will be checked and proceed to
VALVE.
Figure 12 – Valve #30
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
(page 59).
page 192
,
Page 59