Bil-Jax ESP 19, Manual

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Table 4-3. Troubleshooting Chart (Continued)
Problem Cause Correction
4. ENABLE pushbutton
blinks when pressed.
a. ENABLE pushbutton has been
pressed down for longer than 5
seconds without a function being
selected.
b. Joystick potentiometer out of
adjustment (will not return to center).
c. Did not press ENABLE pushbutton
first before moving joystick to forward
or reverse drive.
d. Tried to drive forward or reverse and
raise or lower the platform at the
same time.
a. Release ENABLE pushbutton and
press again.
b. Adjust joystick forward/reverse
travel potentiometer for null drive
signal with joystick at center.
c. Release ENABLE pushbutton and
press again before moving
joystick.
d. Release ENABLE pushbutton and
run only one function (drive or lift)
at a time.
5. When
DOWN
function is
selected, lift platform
will not descend.
a. Down valve solenoid or solenoid
wiring faulty.
b. Down valve sticking; does not open.
c. DOWN switch or DOWN switch
wiring faulty.
d. Underguard switches activated
a. Check voltage at down valve
solenoid. If no voltage, check
wiring. If voltage, exchange
solenoids and recheck function;
replace solenoid if faulty.
b. Repair or replace down valve.
c. Check for lighted DOWN LED
when down switch is engaged. If
LED does not light, signal is not
reaching main controller; repair
wire break or replace faulty switch.
d. Remove object from underguard
or readjust/replace switches.
6. Alarm is sounding; lift
UP and travel functions
stopped working.
a. Lift vehicle more than 1 degree out of
level.
a. Lower lift platform and drive lift
vehicle to level area.
7. When joystick is
moved, lift vehicle will
not travel.
a. Wheels blocked.
b. Free wheel lever in free wheel (tow)
position.
c. Joystick or joystick wiring faulty.
d. Main controller or main controller
signal wiring faulty.
e. Motor controller 24-volt power cable
disconnected.
a. Check wheels for blocking;
remove travel obstacle.
b. Move free wheel lever back to
drive position.
c. Check for lighted travel LED when
joystick is engaged. If travel LED
does not light, travel signal is not
reaching main controller; repair
wire break or replace faulty
joystick.
d. Check for output voltage to motor
controller when joystick is
engaged. If travel signal is not
present at main controller, contact
Bil-Jax for assistance. If travel
signal is not present at motor
controller, repair wire break.
e. Check connection of 24-volt power
cable to motor controller; repair
faulty power cable connection.