Verr = 0/Isolate Dialysate Pressure Sensor - Fresenius Medical Care 2008T Troubleshooting Manual

CLEAN- 4.6.0 VERR = 0 / ISOLATE DIALYSATE PRESSURE SENSOR
When Remaining Prerinse Time = 0:00, Valve #29 stays open and Valve #30 stays closed. The Actuator-
Test Board watches for Dialysate Pressure Sensor #9 (debug screen 4's PDIA and ADIA) transitions to
sense flow.
a) Call the "Interrupted" banner (Figure right) by pressing
'Esc' TWICE then 'Enter' ONCE!
b) Wwith the "Interrupted" banner up, remove the red dialyzer connector from the shunt door and hold it at
the level of the dialyzer holder. ENSURE no flow from dialyzer connector!
c) Call debug screen 4 (Figure right).
d) Locate PDIA then its value in
Column 1 of the Table below.
e) Locate ADIA then its value in
Column 2 of the Table next to the
value seen at PDIA.
f) Per Column 3 respond based on
BOTH PDIA AND ADIA:
Column 1
PDIA
Between 3.0 and 6.0
(Good)
Between 3.0 and 6.0
(Good)
Less than
3.0 OR more than 6.0
(Bad)
Less than
3.0 OR more than 6.0
(Bad)
Column 2
ADIA
Between 2.0 and 6.0
(Good)
Less than
2.0 OR more than 6.0
(Bad)
Between 2.0 and 6.0
(Good)
Less than
2.0 OR more than 6.0
(Bad)
2008T Troubleshooting Guide
P/N 490292 Rev. A
Column 3
Your Response
BOTH PDIA and ADIA are good! The Dialysate
Pressure sensor is good! See procedure number
CLEAN- 4.6.1
PDIA good; ADIA bad. THREE (3) possibilities:
1) Bad Actuator-Test Board OR
2) Bad Sensor Board OR
3) Bad Motherboard connection at the Sensor and
/ or the Actuator-Test Board
PDIA bad; ADIA good! THREE (3) possibilities:
1) Bad Sensor Board OR
2) Bad Functional Board OR
3) Bad Motherboard
BOTH PDIA AND ADIA are bad! Leaving the
"Interrupted" banner up, proceed to
procedure number TMP- 3.0.0
(page 199).
page 505
,
Page 198