F- 3.1.1 Flow Less Than 600/Isolate Actuator-Test Board/Valve #43 - Fresenius Medical Care 2008K2 Troubleshooting Manual

F- 3.1.1 FLOW LESS THAN 600 / ISOLATE ACTUATOR-TEST BOARD / VALVE #43
a) ENSURE FILACT REMAINS = 1!
Figure below
b) , using a flashlight, check through Valve #43's OUTPUT tubing for bio-growth
restrictions. If a restriction is located this may be the problem!
BEFORE continuing to part d allow four (4) minutes for Valve #43's solenoid to
c)
become warm!
d) Touch Valve #43's (black) solenoid. Is it warm (Yes or No)?
Yes Warm solenoid! TWO (2) possible bad components: 1) Actuator-Test* board OR; 2) Valve
#43.
*
To LOCATE the Actuator-Test board refer to
No The solenoid in NOT warm! NOTE
page 192
Figure 8 – Hydraulics TOP View
, TROUBLESHOOTING A
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Figure 4A
ONLY
VALVE #43
VALVE.
(page 9).
will be checked and proceed to
Page 41