Ab60J - Snorkel AB60J Operator's Manual

Chapter 11 – Troubleshooting
Symptom
Engine will not start from lower
controls.
Engine will not start from upper
controls.
Engine starts from the upper con-
trols but no boom functions work
– machines with AC generator op-
tion only.
Engine dies when the control selector
switch at the lower controls is placed
in the upper control position.
Constant tone alarm sounds while
the engine is running.
62
Possible Cause
The main system circuit breaker on
the lower control panel has tripped.
The engine will not crank.
Switches are set wrong. The engine
will not crank.
Platform foot switch is activated.
The start switch was left in the on
position for 30 seconds or longer
before turning it to start.
The circuit breaker on the upper
control panel has tripped. The engine
will not crank.
The AC generator switch is in the
generator position.
Upper controls are not set-up prop-
erly.
High engine temperature.
Low oil pressure.
No alternator current/broken fan
belt.
Corrective Action
Push the main system circuit breaker
button back in. If the button pops
back out, refer the problem to a quali-
fied service technician.
Turn the battery disconnect switch
on and then at the lower :
Turn the start switch off.

Pull the emergency stop button

outward.
Place the control selector switch

in the upper control position.
Place the start switch in the on

position.
From the upper controls:
Turn the start switch off.

Pull the emergency stop button

outward.
Place the start switch in the on

position for 5 seconds and the
then turn the switch to start.
Do not step on foot switch while start-
ing the engine.
Turn the start switch back to off, then
to start within 30 seconds.
Push the circuit breaker button back
in. If the button pops back out, refer
the problem to a qualified service
technician.
Place the switch in the machine posi-
tion to operate machine functions.
At the upper controls, pull the emer-
gency stop button upward and turn
the start switch on.
Lower the platform and turn the en-
gine off to let it cool. Do not restart the
engine until the cause of overheating
has been corrected.
Lower the platform and turn the
engine off. Do not restart the engine
until the cause of low oil pressure has
been corrected.
Turn the engine off. Do not restart the
engine until the cause of no alterna-
tor current has been corrected or the
fan belt has been replaced.
AB60J – 0181972