Chapter 12 – troubleshooting – Snorkel A38E-sn004509+ User Manual
Page 49
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A38E – 8210052
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.
The main system circuit breaker on
the lower control panel has tripped.
Push the main system circuit breaker
button back in. If the button pops
back out, refer the problem to a quali-
fied service technician.
Battery disconnect switch is off.
Turn the battery disconnect switch
on.
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.
Plug the battery disconnect in and
then at the lower controls:
Turn the start switch to the off
position.
Twist the emergency stop button
clockwise at the lower and upper
controls.
Turn the start switch to the on
position.
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Upper controls do not work.
Switches are set wrong.
Plug the battery disconnect in and
then at the lower controls:
Turn the start switch to the off
position.
Twist the emergency stop button
clockwise at the lower and upper
controls.
Turn the start switch to the on
position.
From the upper controls:
Twist the emergency stop button
clockwise at the lower and upper
controls.
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•
•
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