Lattec Herd Navigator - How to Manually Test Safty;Flush and Filter Valve in si (Needs Vacuum)

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April 8, 2011 HN FAQ Memo, Version 3.0 Page 18 of 108

3.1.3 How to manually test Safty/flush and Filter valve in SI (Needs Vacuum):

First get acces to the menu in SI… this can be trough AC via Ethernet, or direct whit RS-232 cable to the

circuit board (baud rate 38400).

If not in the menu, press M

Then pres 4, for service menu.

Then press 1, for Simple Functions

With Enter toogle on/off on the valve to test.

In same menu, Main Line valve can be tested also (the on inside the AI, on the side whit drain tube). And Milk pump

can be started, and stopped again.

Example to open Filter Flush

When finished testing, make sure to restart the complete system, to restore normal operation for the SI.