Snorkel A38E-sn006001+ - Manual (Page 49)

A38E – 8210243 45
Chapter 12 – Troubleshooting
The troubleshooting chart may be used to locate and
eliminate situations where machine operation may be
interrupted. If the problem cannot be corrected with the
action listed, stow the machine and remove it from ser-
vice. Repairs must be made by qualified maintenance
personnel.
Troubleshooting Chart
Symptom Possible Cause Corrective Action
Will not work from lower or upper
controls.
Batteries discharged. Recharge the batteries.
Battery charger plugged in. Unplug the battery charger.
Battery disconnect plugs are discon-
nected.
Connect the battery disconnect
plugs
Will not work from lower or upper
controls after battery charger is
unplugged.
Normal operation after unplugged. Wait approximately 60 seconds for
the battery charge indicator light to
shut off.
All functions stop working. Low fluid level in reservoir. Check hydraulic fluid level . Add cor-
rect type of fluid if necessary.
Motor or pump failure. Manually stow the machine using the
emergency power system.
Electrical system malfunction. Lower the boom using the emer-
gency power system.
Batteries discharged. Recharge batteries.
Lower controls do not work. Switches are set wrong. Connect the battery disconnect plugs
and then at the lower controls:
Twist the emergency stop button
clockwise at the lower controls.
Turn the control selector switch to
the lower control position.
•
•
Upper controls do not work. Switches are set wrong. Connect the battery disconnect plugs
and then at the lower controls:
Twist the emergency stop button
clockwise at the lower controls.
Turn the control selector switch to
the upper control position.
From the upper controls:
Twist the emergency stop button
clockwise.
•
•
•
Battery charge indicator does not
indicate a reading when charging
batteries.
No source of power. Make sure power source is plugged
in and turned on.
Circuit breaker is tripped. Unplug the charger until the internal
circuit breaker has reset.
Boom and drive functions seem
sluggish.
Hydraulic oil is cold and thick. Use cold weather hydraulic oil as
recommended for weather condi-
tions. Warm oil before operating the
machine.
Riser and/or main boom drifts
down.
Hydraulic system malfunction. Stow the machine and do not oper-
ate until repairs are made.
Emergency lowering knob pushed in. Pull knob outward to normal operat-
ing position.