Snorkel TB85J Fixed Axle CE - Manual (Page 64)

Chapter 11 – Troubleshooting
60 TB80/TB85J Fixed Axle – 0112823EE
Symptom
Boom functions do not immedi-
ately return when switching from
drive to boom. There is a delay in
boom functions after switching the
drive/boom switch to the boom
position after driving the machine
with the boom below horizontal.
All functions stop working.
Lower controls do
not work.
Possible Cause
Platform overload system delay.
Low fluid level in reservoir.
Engine or pump failure.
Circuit breaker is tripped.
Electrical system malfunction.
Platform overload sensor is tripped.
The horn is sounding and red over-
load light is blinking.
Platform overload sensor is in error
mode. The horn is sounding and red
overload light is constantly on.
Battery disconnect switch turned off.
Emergency stop button at lower con-
trols is pushed in to the off position.
Controls selector switch is in the
upper controls position.
Ground operation switch not held in
the on position.
Platform overload sensor is tripped.
The horn is sounding and red over-
load light is blinking.
Platform overload sensor is in error
mode. The horn is sounding and red
overload light is constantly on.
Corrective Action
Normal operation. The system in-
cludes a 5 second delay to eliminate
rapid stop and restart of movements
if the overload system trips during
operation.
Check fluid level. Add correct type of
fluid if necessary.
Manually stow the machine using the
emergency power system or the
emergency lowering knob.
Push circuit breaker button in to re-
set.
Manually lower the boom using the
emergency lowering knob.
Remove weight from the platform un-
til the load is at or below rated ca-
pacity.
Remove weight from the platform un-
til the load is at or below rated ca-
pacity. Cycle machine power off,
then on. If alarm continues, system
may need recalibration.
Place switch in the on position.
Pull the emergency stop button out-
ward.
Place the switch in the lower con-
trols position.
Hold the ground operation switch in
the on position while operating the
control toggle switches.
Remove weight from the platform un-
til the load is at or below rated ca-
pacity.
Remove weight from the platform un-
til the load is at or below rated ca-
pacity. Cycle machine power off,
then on. If alarm continues, system
may need recalibration.