Carrier VECTOR 6500 - Battery Charger; Miscellaneous Engine Troubleshooting

9−3
62-11389
Indication/Trouble
Possible Causes Action/Refer-
ence Section
9.1.6 Miscellaneous Engine Troubleshooting
Loss of power
Air cleaner or hose restricted 8.5.9
Air in fuel system 8.5.2
Air vent restricted in fuel tank cap Clean
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
Air cleaner or hose restricted 8.5.9
Exhaust pipe restriction Remove
Restriction in water jacket Engine Manual
Restriction in radiator 8.5.12
Coolant level too low 8.5.12
Loose water pump Engine Manual
Defective thermostat Engine Manual
Defective water pump / belt Engine Manual
Excessive crankcase pressure Plugged crankcase breather 8.5.14
9.2 BATTERY CHARGER
Indication/Trouble Possible Causes Action/Refer-
ence Section
F7 or F8 or F29 (if applicable)
fuse blows
Short in 12 volt wiring causing
overload of charger
8.9.8
Internal short 8.9.8
Charging rate does not taper
back after charging for a few min-
utes of engine crank
Bad cell in battery Test battery for
defect accord-
ing to battery
manufacturer’s
instructions
Defective charger Replace
Charger does not charge
Open F7 or F8or F29 (if applicable) Replace.
Charger is not receiving AC input 8.9.8
Charger output is not connected to 12 volt battery Check output
wiring connec-
tions to battery.
Defective charger Replace
Low output voltage measured
across charger output
Battery not connected to charger. It is
normal to measure 12 volts or less across
charger output with no battery connected
Check charging
leads from
charger to bat-
tery