2008T Troubleshooting Guide
P/N 490292 Rev. A
F- 6.2.0 TROUBLESHOOT ‘CONTINUOUS’ DRAIN FLOW
Drain flow NEVER stops! From the Home screen, is [Conductivity] more than 15.0 mS?
Yes [Conductivity] more than 15.0! ENSURING Loading Pressure (Rinse port gauge) is
peaking to between 23 and 27 psi, see procedure number F- 6.3.0 (page 67).
No [Conductivity] remaining less 15.0! This procedure checks if Valve #43 is sticking open.
See parts a AND b below:
a)
Per the Figure below, double clamp valve #43’s OUTPUT tubing. NOTE! The
output tubing extends towards the front of the machine!
b) Recheck drain flow. TWO (2) possible scenarios:
1) IF (and ONLY if) drain flow becomes Pulse → Stop → Pulse → Stop
:
Remove the clamps from valve #43. TWO (2) possible bad components: 1) Bad
Actuator-Test* Board OR; 2) Bad valve #43.
*
To LOCATE the Actuator-Test board, refer to Figure 4A (page 10)
2) IF drain flow continues to be ‘continuous’: Remove the clamps from valve
#43 then proceed to page 69, procedure number F- 6.5.0.
Figure 11 – Valve #43 Location
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