Carrier Vector 1550-11 - Page 255

62-61753-21
10-3
INDICATION/
TROUBLE
POSSIBLE CAUSES
REFERENCE
SECTION
10.1.5 Malfunction In The Engine Starting Circuit
No power to starter solenoid (SS)
Battery defective
Check
Loose electrical connections
Tighten
Fuel solenoid
does not energize or does
not remain energized
Battery defective
Check
Loose electrical connections
Tighten
Oil pressure safety switch (ENOPS) defective
Replace
Run relay (RR) defective
Replace
Engine coolant temp. (ENCT) defective
Replace
Fuel solenoid defective
Engine Manual
10.1.6 Miscellaneous Engine Troubleshooting
Loss of power
Restriction in air cleaner
8.4.8
Air in fuel system
8.4.2
Crankcase breather restricted
8.4.13
Restricted fuel lines
Engine Manual
Defective fuel injection pump
Engine Manuall
Defective injector(s) or incorrect type
Engine Manual
Incorrect fuel injection pump timing
Engine Manuall
Incorrect valve timing
Engine Manual
Poor compression
Engine Manual
Vibration
Engine shockmounts defective
Replace
Poor compression
Engine Manual
Overheating
Restriction in air cleaner
8.4.8
Exhaust pipe restriction
Removel
Restriction in water jacket
Engine Manual
Restriction in radiator
8.4.10
Coolant level too low
8.4.10
Loose water pump belt
replace
Defective thermostat
Engine Manual
Defective water pump
Engine Manual
Excessive crankcase pressure
Plugged crankcase breather line
8.4.13