Valve #105 Is Okay; Isolate Pressure Sensor #106 - Fresenius Medical Care 2008T Troubleshooting Manual

V105SC- 2.3.0 VALVE #105 IS OKAY
Leave the Acid Pump's INPUT tubing disconnected for now!
a)
b) Call debug screen 15. Is Acid Press now between -30 and 30?
Yes Acid Press is between -30 and 30. Pressure Sensor #106 seems to be okay! See
procedure number
No Acid Press IS NOT between -30 and 30! Possible problem with Pressure Sensor #106! See
procedure number
V105SC- 2.4.0 ISOLATE PRESSURE SENSOR #106
a) Press the keyboard's 'Esc' key.
b) From the Service Mode menu press Calibrate Sensors → Pressure Transducers →
Pressure.
c) Just enough to hold them there, place BOTH concentrate connectors ¼ way into their rinse ports.
d) Press 'Enter' and allow the calibration to complete. If successful the "Calibrate Regulator Pressure"
banner appears (Figure below), and the screen will say "Calibration Complete, press CONFIRM to
save".
e) Was the calibration successful?
Yes An Error banner DID NOT occur! Press 'Enter'. Reconnect all tubing and test the machine
for "V105 Stuck Closed".
acid connector and the Acid Pump that was not located above OR
Valve #105 is partially restricted!
No An Error banner occurred! Repeat the calibration but if the Error banner reoccurs, FOUR (4)
possible problems (see PROBLEM LIST below). Check and / or swap in each component
one at a time until the Regulator Pressure calibration is successful.
PROBLEM LIST: 1) Loose bibag Interface ribbon cable (refer to
2) Bad Pressure Sensor #106 OR; 3) Bad bibag Interface board OR; 4) Bad Pressure
Sensor #106 electrical connection inside Distribution Box 2 (refer to
V105SC- 2.4.0 (page 751).
V105SC- 2.4.0 (page 751).
If it reoccurs there is a restriction between the
LEFT BLANK INTENTIONALLY
2008T Troubleshooting Guide
P/N 490292 Rev. A
Regulator
Figure 4C (page 11)) OR;
Figure 4D (page 13)).
Page 751