Carrier VECTOR 1800 MT - Page 294

9-1
62-11039
SECTION 9
MICROPROCESSOR AND UNIT TROUBLESHOOTING
9.1 MICROPROCESSOR TROUBLESHOOTING
CAUTION
Under no circumstances should anyone attempt to service the Advance Microprocessor . Should a
problem develop with the Advance Microprocessor, contact your nearest Carrier Transicold dealer
for replacement.
INDICATION/
TROUBLE
POSSIBLE CAUSES
REFERENCE
SECTION
DIESEL ENGINE
9.1.1 Engine Will Not Start
Battery insufficiently charged Check
Battery terminal post dirty or defective Check
Bad electrical connections at starter Check
Starter motor will not
Starter motor malfunctions 9.1.4
S
t
a
r
t
e
r
m
o
t
o
r
w
i
l
l
n
o
t
crank or low cranking speed
Starter motor solenoid defective Engine Manual
g
p
Open starting circuit 9.1.5
Incorrect grade of lubricating oil 2.9
Worn generator bearings replace
No fuel in tank Check
Air in fuel system 8.3
Water in fuel system Drain Sump
S
t
t
t
k
Plugged fuel filter(s) Replace
Starter motor cranks
b
u
t
e
n
g
i
n
e
f
a
i
l
s
t
o
s
t
a
r
t
Plugged fuel lines to injector(s) Check
b
u
t
eng
i
ne
f
a
i
l
s
t
os
t
ar
t
Fuel control operation erratic Engine Manual
Glow plug(s) defective 8.6.8
Fuel solenoid defective Engine Manual
Optional fuel pump (FP) malfunction 8.3
Starter cranks, engages, Engine lube oil too heavy 2.9
,
g
g
,
but dies after a few seconds
Voltage drop in battery cable(s) Check
9.1.2 Engine Starts Then Stops
Fuel supply restricted Check
No fuel in tank Check
Leak in fuel system Check
Faulty fuel control operation Engine
Fuel filter restricted Replace
Injector nozzle(s) defective Engine Manual
En
g
ine sto
p
s after
Injection pump defective Engine Manual
E
n
g
i
n
e
s
t
o
p
s
a
f
t
e
r
several rotations
Air cleaner or hose restricted 8.6.6
Safety device open 2.15
Fuel solenoid defective Engine Manual
Optional fuel pump (FP) malfunction 8.3
Open wiring to fuel solenoid Check
Mechanical lift fuel pum malfunction Engine Manual
Oil pressure switch defective Replace