Fresenius Medical Care 2008K Troubleshooting Manual page 228

h) Touch the ohm meter leads together and subtract this resistance ( ) reading from subsequent
resistance readings.
i) Using a regular meter lead (do NOT use Fluke TP 80), place it on the matching numbered pin (per
Table 26 or Table 27) on the solder (back) side of the P2 connector. IMPORTANT! Some components
may have more than one pin to check.
j) Is the meter's numeric AND units display 2
Yes The cable is good! Return it the distribution board. If referred to
CHECKING THE ACTUATOR BOARD CABLE, return to the procedure
that brought you here.
No Unplug the cable from the actuator board's P2 connector. Check inside the connector for
bent, missing or damaged male pins. If the pins are okay replace the cable.
Table 26 – Actuator Board, P2 Cable. Pin Identification (for Pumps)
PUMP
DEAERATION PUMP (1 of 2)
DEAERATION PUMP (2 of 2)
FLOW PUMP (1 of 2)
FLOW PUMP (2 of 2)
ACID PUMP (1 of 4)
ACID PUMP (2 of 4)
ACID PUMP (3 of 4)
ACID PUMP (4 of 4)
BICARB PUMP (1 of 4)
BICARB PUMP (2 of 4)
BICARB PUMP (3 of 4)
BICARB PUMP (4 of 4)
UF PUMP (1 of 4)
UF PUMP (2 of 4)
UF PUMP (3 of 4)
UF PUMP (4 of 4)
or less?
PLUG/PIN # P2 / FEMALE CONNECTOR LOCATION
15 Bottom row, 8 pins from the rear of machine
16 Top row, 8 pins from the rear of machine
19 Bottom row, 10 pins from the rear of machine
20 Top row, 10 pins from the rear of machine
1 Bottom row, first pin from the rear of machine
2 Top row, first pin from the rear of machine
3 Bottom row, 2 pins from the rear of machine
4 Top row, 2 pins from the rear of machine
5 Bottom row, 3 pins from the rear of machine
6 Top row, 3 pins from the rear of machine
7 Bottom row, 4 pins from the rear of machine
8 Top row, 4 pins from the rear of machine
23 Bottom row, 12 pins from the rear of machine
24 Top row, 12 pins from the rear of machine
25 Bottom row, 13 pins from the rear of machine
26 Top row, 13 pins from the rear of machine
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 16 – Checking The Actuator Board Cable
Page 226