Manual # 016-0130-030 Rev B
19
C HAPTER
S
YSTEM
T
ROUBLESHOOTING
Misc. Problems
and Solutions
Problem 1: The booms won’t enable. ‘Automatic’ mode won’t come on when
tapping left or right down on the joystick, but it will enable by pushing Function
Keys 1 and 4 on the controller.
Solutions:
1. Check the interface wires at the solenoids for proper hook up:
LUP = Yellow, LDN = Black, RUP = White/Yellow, RDN = White/Black.
2. The boom sense cable is not properly connected to the down coils on the
valve stack.
3. The sprayer doesn’t have down coils, so the only way to enable them is to use
the Function Keys 1 and 4 on the UltraGlide controller.
4. Verify that there is 12 volts on the down coil wires. Use a volt meter to verify
there is a voltage spike while the down switch is held down. It isn’t necessary
to have the machine running, but the key needs to be switched on.
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