2008T Troubleshooting Guide
P/N 490292 Rev. A
V105SC– 2.1.0 ISOLATE VALVE #105
a) Turn the machine on. When the screen says “Press CONFIRM For Service Mode” press ‘Enter’. The
screen MUST say “Machine In Service Mode”.
b) Press the Service screen’s lower left ‘Options’ key.
c) Call debug screen 0.
d) Figure right, ENSURE Valve #105’s ‘dot’ is BLUE!
e) REMOVE the clear tubing from the
Acid Pump’s INPUT (white)
nozzle. Place a cup under the vacant nozzle.
f) Figure below, attach a water filled 60 ml syringe, WITH THE
PLUNGER installed, to the acid (red) connector.
g) GENTLY push on the plunger. Can you push water through Valve #105 into the cup?
Yes EASILY able to push water into the cup! Valve #105 is okay! See procedure number
V105SC- 2.3.0 (page 751).
No Significant resistance encountered! Problem with Valve #105! Perform parts a THROUGH c
below:
a) ENSURE the
Acid Pump’s input tubing was removed previously!
b) ENSURE the acid connector itself is NOT restricted with debris!
c) FOUR (4) possible problems (see PROBLEM LIST below). Check each and / or swap in
each component, one at a time and in between repeat procedure number V105SC- 2.1.0
(page 750) until you are able to push water through Valve #105.
PROBLEM LIST: 1) Loose bibag Interface board ribbon cable (refer to Figure 4C (page
11)) OR; 2) Bad Valve #105 OR; 3) Bad bibag Interface Board OR; 4) Bad electrical
connection, from Valve #105, inside Distribution Box 2 (see Figure 4D (page 13)).
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