Fresenius Medical Care 2008K Troubleshooting Manual page 258

DIALYZE VALVE FAIL- 2.0.0 CHECK VALVE #24
a) ASSURE valve #24 is plugged into distribution board position labeled "V24" or "P24" properly.
IMPORTANT!
b) Turn the machine off and open the card cage.
c) Place a meter's ground (black) lead at chassis ground (see
d) Referring to Figure 134
solder side of P2 is arranged in two rows. Odd numbered in the bottom row, even numbered in the top.
e) Measure resistance ( ) at the solder (rear) side of the P2 connector at Pin #29 (BOTTOM row, eleventh
pin from the FRONT of the machine). Between 40 and 100
Yes See procedure number
No NOTE that VALVE #24 will be checked then see procedure number
5.0.0 (page 257).
Figure 109 – Check Valve's #24 and #43 Solenoid
DIALYZE VALVE FAIL- 3.0.0 CHECK VALVE #43
a) ASSURE that valve #43 is plugged into distribution board position labeled "V43" or "P43" properly.
IMPORTANT!
b) Turn the machine off and open the card cage.
c) Place a meter's ground (black) lead at chassis ground (see
d) Referring to Figure 134
solder side of P2 is arranged in two rows. Odd numbered in the bottom row, even numbered in the top.
e) Measure resistance ( ) at the solder (rear) side of the P2 connector at Pin #46 (TOP row, third pin from
the front of the machine). Between 40 and 100
Yes See procedure number
No NOTE that VALVE #43 will be checked then see procedure number
5.0.0 (page 257).
DIALYZE VALVE FAIL- 4.0.0 ISOLATE THE ACTUATOR BOARD
a) Turn the power off and swap in a known good actuator board.
b) Place the machine into Dialysis program. Does the error reoccur?
Yes See procedure number
board is okay.
No Problem solved. The previous actuator board is bad.
(page 256), at the top of the actuator board is a 50 pin connector (P2). The
DIALYZE VALVE FAIL- 4.0.0
(page 256), at the top of the actuator board is a 50 pin connector (P2). The
DIALYZE VALVE FAIL- 4.0.0
DIALYZE VALVE FAIL- 4.0.1
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Figure 1, page 3).
?
(page 256).
Figure 1, page 3).
?
(page 256).
(page 257). The previous actuator
Section 25 – Valve Failures
DIALYZE VALVE FAIL-
DIALYZE VALVE FAIL-
Page 256