2008T Troubleshooting Guide
P/N 490292 Rev. A
SECTION 32 – “V105 STUCK CLOSED” OR V105 ER C = 1
“V105 Stuck Closed” OR V105 Er C = 1 indicates a possible restriction in the Acid inlet system as sensed
by Pressure Sensor #106 (Acid Press).
A) ENSURE the external Acid inlet tubing is NOT kinked!
B) Figure right, ENSURE the Acid (red) connector’s filter is
clean AND its adaptor plug opening is not plugged!
NOTE! If external leaks, “No Water”, or a Flow Error EVER occur address them FIRST!
C) TWO (2) possible scenarios 1) or 2) below:
1) IF occurring during OR after a Cleaning/Disinfection Program (Rinse, Heat Disinfect, etc.)
has stopped: See procedure number V105SC- 1.0.0 (page 747).
2) IF occurring in Dialysis Program: Perform parts a THROUGH e below:
a) If attached to an Acid jug ENSURE the Pick Up wand tubing (Figure right)
is NOT kinked!
b) If attached to a central Acid delivery system (SDS) ENSURE good flow from
the station valve! The valve MUST be left open!
c) From the home screen, set [Dialysate Flow] to 800 ml/min and press ‘Enter’.
d) Call debug screen 15.
e) Watch V105 Er C (left column, bottom window) for four (4)
minutes OR until if it EVER = 1, even just once?
Yes V105 Er C = 1 even just once! Proceed to page 435, procedure number
CO- 13.0.00.
No V105 Er C REMAINS ALWAYS = ‘0’! Whatever was causing “V105 Stuck Closed”
has cleared for now! See parts THROUGH c below:
a) Call debug screen 0 to watch Flow Error (TOP window) for two (2) minutes. If
EVER = 1 a masked Flow Error is occurring! In this event, DO NOT continue to
troubleshoot “V105 Stuck Closed”.
b) If [Conductivity] increases to more than 12.6 mS Valve #105 is at least partially
open! There may still be a restriction!
c) Install a venous dummy chamber in the Level Detector module and attempt to
reset all alarms. Does the “V105 Stuck Closed” banner appear?
Yes “V105 Stuck Closed” reappears! Proceed to
page 435, procedure
number CO- 13.0.0.00.
No Whatever was causing the alarm has cleared completely,
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