Troubleshooting - Uline H-5439 Manual Del Usuario

MALFUNCTION
The forks do not go up to the
maximum height.
The motor does not turn on.
The forks do not go down.
Leaks.
Forks descend without engaging
the lower lever.
Battery does not charge.
Straddle stacker is difficult to
move.
Charger quickly goes to green,
but does not charge battery.
Charger LED states:
RED = Charging
GREEN = Fully Charged
YELLOW = Error State
PAGE 4 OF 12

TROUBLESHOOTING

PROBABLE CAUSE
Not enough hydraulic oil.
Oil has impurities.
Emergency Shut-Off is pressed down, the
power is cut off.
The voltage is too low.
Wire connections have come loose.
Connector to DC motor is bad.
Piston rod or mast is damaged, resulting
from incorrect loading or overloading.
Fork was kept in the up position for a
long time and the piston rod rusted or is
jammed.
Release valve of the pump is not opened.
Seals are worn or damaged.
Piston parts are cracked or worn too small.
Impurities in the oil caused release valve
not to close tightly.
Seals are worn out or damaged.
Release valve is damaged.
Battery is bad.
Charging plug is loose.
Straddle legs may be uneven.
Battery too low for charger to detect.
If yellow, check connections to battery
and/or charger. Connections may be
weak.
1-800-295-5510
uline.com
CORRECTIVE ACTION
Pour in hydraulic oil.
Change the oil.
Turn it clockwise, switch the power on.
Charge the stacker.
Check and reconnect any loose wires.
Replace with a new one.
Replace with a new one.
Lubricate piston rod. Always keep the fork
in the lowest position when not in use.
Check it. If damaged, replace with a new
one.
Replace seal(s).
Replace parts as necessary.
Change the oil.
Replace seal(s).
Replace with a new one.
Replace with a new one.
Check connection and reattach if
necessary.
Loosen the four bolts on each straddle
stacker leg.
Move the straddle stacker back and forth
to reset the legs.
Tighten the four bolts on each straddle
leg.
Charge battery using external trickle
charger overnight.
If connections are good, replace charger.
0321 IH-5439