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Upper Control Mode
• No Power To The Joystick: No Communication
-There is power on the main controller, but not on the joystick.
1. When in Upper Control Mode, LED “UP CTRL SEL” should be
ON. If it’s OFF, check the Upper/Lower selector switch and
make sure it’s set to Upper Control.
2. Make sure the joystick is connected to EASI POS and EASI NEG
terminals of the main controller.
3. Make sure E-STOP switch on the joystick is OFF.
4. Make sure LED’s EASI-TXD and RXD on the main controller are
blinking at high frequency. If not, Check Fuse F1 located on the
main controller. If all of the above are O.K, the joystick may be
faulty.
•
Joystick Does Not Drive The Motor
-Moving the joystick forward or reverse does not drive the machine.
1. Check if there is communication between the main controller and
the joystick. If L1 and L2 LED’s on the joystick are not blinking
rapidly, there is no communication. Refer to the previous step to
troubleshoot "No Communication".
2. L1 and L2 on the joystick are blinking rapidly, but unit still does
not drive, then:
a. Press "ENABLE" on the joystick, move the joystick
forward, Check if LED "HRMTR ON" turns on. If not on,
the main controller may be faulty. Check fuse F2 on the
main controller.
b. If the LED turns on, but unit still doesn't drive, the motor
controller may be faulty. Refer to the Motor Controller
Troubleshooting section.
•
UP/DOWN, LEFT/RIGHT Commands Do Not Work
-When pressing UP, DOWN, LEFT, or RIGHT switches on the joystick,
the machine does not respond.
1. Check if there is communication between the main controller and
the joystick. If L1 and L2 LED’s on the joystick are not blinking
rapidly, there is no communication. Refer to the previous step to
troubleshoot "No Communication".
2. For faulty UP command:
a. Hold "UP" switch on the joystick, make sure it lights up.
If it doesn't, the internal bulb may be blown or the switch
may be faulty.
b. Press "UP" and "ENABLE" on the joystick. Make sure
that LED's "PUMP ON", "UP ON" and "HRMTR ON" turn
ON. If not, the main controller may be faulty.
3. For faulty DOWN command:
a. Hold "DOWN" switch on the joystick, make sure it lights
up. If it doesn't, the internal bulb may be blown or the
switch may be faulty.
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