Dvf- 4.0.0 Isolate Valves #24 And #43 Solenoid Circuits (1); Dvf- 4.1.0 Isolate Valves #24 And Valve #43 Solenoid Circuits (2) - Fresenius Medical Care 2008K2 Troubleshooting Manual

DVF- 4.0.0 ISOLATE VALVES #24 AND #43 SOLENOID CIRCUITS (1)

IMPORTANT! Turn the machine OFF!
a)
b) Per the Figure below, THREE (3) checks while tracing Valve #43's AND #24's wires from the distribution
board to BOTH valves inside the hydraulics.
CHECK #1: ENSURE no 'pinched' or damaged wires!
CHECK #2: Figure right, ENSURE the wires terminate PROPERLY at
the valve's solenoid terminals)!
CHECK #3: ENSURE the terminals show no signs of 'green' corrosion!
c) See procedure number

DVF- 4.1.0 ISOLATE VALVES #24 AND VALVE #43 SOLENOID CIRCUITS (2)

a) Figure right, open Valve #24's AND #43's female distribution
board connector caps.
The wires MUST connect between the TOP and
b)
BOTTOM terminals! If NOT, this is the problem!
IMPORTANT! Set your CALIBRATED volt meter
c)
to RESISTANCE (Ω)!
d) Where a blue wires are attached, place one meter lead on one of
the terminals and the other lead on the other terminal.
e) Figure right, reading the meter's numeric AND units
display! TWO (2) possible scenarios next page:
1)
DVF- 4.1.0 (page 657).
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Page 657