Carrier SUPRA 950Mt - Troubleshooting

5-1
SECTION 5
TROUBLESHOOTING
CAUTION
Under no circumstances should anyone attempt to service the microprocessor !
Should a
problem develop with
the microproces
sor
,
contact your nearest Carrier Tra
nsicold
dealer for replacement.
I
N
D
I
C
A
T
I
O
N
/
T
R
O
U
B
L
E
P
O
S
S
I
B
L
E
C
A
U
S
E
S
 REFERENCE
SECTION
5.
1
DI
ES
EL
EN
GIN
E
5.
1.
1
En
gi
ne
wi
ll
no
t
st
ar
t
Starter motor will not crank or low
cranking speed
Battery insufficiently charged
Battery terminal post dirty or defective
Bad electrical connectio
ns on
starter
Starter motor
malfun
ctions
Starter motor
solen
oid defective
Open starting
circui
t
Incorrec
t
grade of
lubri
cating oil
Check
Check
Check
5.1.3
Engine Manual
5.1.4
2.2
Starter motor cranks but engine
fails to start
No fuel in tank
Air in
fuel system
Water in fuel system
Plugge
d f
uel filters
Plugged fuel lines to injector (s)
Fuel control
operati
on erratic
Glow
plug
(s)
defectiv
e
Run solenoid defective
Fuel pump (FP) malfunction
Check
Check
Drain Sump
Replace
Check
Engine
4.3.7
4.3.4
4.3.6
Starter cranks, engages but dies
after a few seconds
Engine lube oil too heavy
Vol
tage drop
in starter
cable
(s)
2.2
Check