F- 5.1.0 Balancing Chamber Valves Wired Correctly; F- 5.1.1 Bc Switch Always = 897/Isolate Pressure Sensor Connections; Pressure Sensors View - Fresenius Medical Care 2008K2 Troubleshooting Manual

F- 5.1.0 BALANCING CHAMBER VALVES WIRED CORRECTLY

a) Call debug screen 6.
b) Watch BC Switch (middle column) for thirty (30) FULL seconds. Does it REMAIN
ALWAYS = 897?
Yes BC Switch ALWAYS = 897! See procedure number
No BC Switch is NOT always = 897! Proceed to
F- 5.1.1 BC SWITCH ALWAYS = 897 / ISOLATE PRESSURE SENSOR CONNECTIONS
Figure below VERY CAREFULLY
a) ,
connectors "X9, P-Dial" AND "X10, CFS" to ENSURE they go to the correct (blue) Pressure
Transducer.
b) Are BOTH Pressure Transducers connected properly?
Yes BOTH are connected properly! See procedure number
No Connect them properly i.e. CFS #10 → "X10, CFS"; Dialysate Pressure #9 → "X9, P-Dial"
and allow one (1) minute. Call debug screen 1 to watch Flow Error for four (4) minutes. If it
remains = 0 this may have fixed the problem. If it EVER = 1, even just once, continue
procedure number
trace BOTH wire harnesses from distribution board
F- 5.2.0 (page 49)
Figure 10 – Pressure Sensors
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
F- 5.1.1 (page 48).
page 49
, procedure number
F- 5.2.0 (page 49).
F- 5.2.0.
Page 48