Upright SB47JRT, Operator'S Manual

Page: 60 / 68

Chapter 11 – Troubleshooting
54 SB47JRT – 0075522
Symptom
Engine will not start from upper
controls.
Engine dies when the control se-
lector switch at the lower controls
is placed in the platform position.
Constant tone alarm sounds while
the engine is running.
Possible Cause
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 be-
fore turning it to start.
The main system circuit breaker on
the upper control panel or wiring box
has tripped. The engine will not crank.
Upper controls are not set-up prop-
erly.
High engine temperature.
Low oil pressure.
No alternator current/broken fan belt.
Corrective Action
Turn the battery disconnect switch on
and then at the lower controls:
• Turn the control selector switch
off.
• Pull the emergency stop button
outward.
• Place the control selector switch
in the upper control 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 main system circuit breaker
button back in. If the button pops back
out, refer the problem to a qualified
service technician.
At the upper controls, pull the emer-
gency stop button upward and turn
the anti-restart master switch on.
Lower the platform and reduce the
engine speed to idle for five minutes.
Turn the engine off and let it cool. Do
not restart the engine until the cause
of overheating has been corrected.
Lower the platform and turn the en-
gine 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 is replaced.