Volvo D13 Manuale Utente

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Section 01: ENGINE 
PA1561 
47 
4.  ENGINE TROUBLESHOOTING GUIDE 
is the
engine
starting ?
plug the Diagnostics Data
Reader DDR into the receptacle
or momentarily depress the
stop engine "OVERRIDE"
switch to activate the DDEC
self-diagnostic system
yes
no
does the
engine
rotate ?
no
yes
does the red
"Stop Engine"
indicator
illuminate and
go off after 5
sec.  ?
yes
no
go to
step 2
go to
step 3
with diagnostic code in
hand, contact your
Detroit Diesel service
center
START
see
note 1
faulty 12-volt-system power supply,
probable causes :
- battery cables improperly connected
- fuse blown
- faulty battery equalizer
- activate the DDEC self-diagnostic system
and contact your Detroit Diesel service
center
 
engine does not rotate
what is the
voltage reading
on 24-volt-
system
dashboard
indicator ?
is the shift
selector to
neutral "N"
position ?
higher than
24 volts
lower than
24 volts
yes
no
faulty 24-volt-system power supply
or low battery voltage. Contact
Prévost Action Services
there may be a problem
with the starter or starter
circuit. Contact Detroit
Diesel or Prévost Action
Service
step 2
place the shift selector to
neutral "N" position and start
the engine
is the rear start
selector to
"NORMAL"
position?
no
Set the rear start
selector to "NORMAL"
yes