12-2
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X20 Sprayer Reference Manual
Regulator Drive Test Procedure
Set a Digital Multimeter to measure 20vdc 1.
Measure the voltage between Pin-1 and Pin-2 in the 2.
following states:
State 1• —Controller set to manual, sections and master
ON, pressing and holding the increase arrow (▲). The
meter should display 12 or -12 Volts.
Please note: It is not important which polarity is
displayed.
State 2• —Controller set to manual, sections and master
ON, pressing and holding the decrease arrow (▼).
The meter should display opposite to State 1.
Confirming this verifies the regulator outputs on the
controller are working correctly.
Please note: If the Spray-line pressure increases when
the decrease arrow (▼) is pressed select Reverse Valve
Direction (page 8-20).