Table of Contents
Advertisement
- - - - - - - - - '
,--=----~---
- -
---~c_-~
,
ENGINE TROUBLESHOOTING
Note:
The engines DC electrical system
is
protected by a 20 amp
_ rocker type reset circuit breaker mounted on the control panel,
LCD DISPLAY FAULTS '"'
(continued)
1,1
,
--
-,
-Problem
Probable Cause
Verilicalion}Remedy
.-
..
Batteryswitch'noion.
-
,--,-.
-
--
_.
START BUTTON depressed, no panel
1.,
1. Check switch andlor battery connections.
indications.
2. Circuit breaker tripped/Off:
2. Reset breaker; if breaker trips again, check preheat solenoid
circuit and, check circuit for sho.rts to ground.
3. Loose
b~ttery
connections.
4. check (+),connection to starter solenoid and (-) connection to
engine ground stud. Check battery cable connections.
START BUTTON depressed, no starter
1. Connection -to solenoid 'faulty.
1. Check connection.
engagement.
2. Faulty SOlenoid.
2, Check that 12 volts are present at the solenoid connection,
3.
loose battery connections.
3. Check battery connections.
4. Low battery.
4. Check battery charge state.
5, K1 relay.
5. Check K1 relay.
START BUTTON depresssd; panel
1. Poor connections to fuel solenoid.
1. Check connections.
indications OK; starter solenoid OK
fuel solenoid not functioning.
2. Defective fuel solenOid.
2. Check that 12 voltsare pressnt at the (+) connection on the
fuel run solenoid.
Generator engine cranks, but does not
1. Faulty fueling system.
1. Check thalfuel valves areopen.
start, fuel solenoid energized.
1a. Switch to combine house and start batteries.
Note:
there
is a 8 - 10' sec. crank cycle.
1b. Replace batteries.
: If the engine does not start. The cycle
' 1c. Check fuel lift pump.
will tenninate and a Underspeed fault
1d, Change Inlet fuel filter.
will display on the LCD display screen.
2. Preheat solenoid faulty.
2. Check solenoid.
Battery runs down.
1. High resistance leak to ground.
1, Check wiring. Insert sensitive (0 - .25 amp) meter in battery
lines. Do not start engine.
R~m.ove
connections and replace
after short is located.
2. Low reSistance le<;lk.
2. Cbeck all wires for temperature rise to locate the fault.
3. Poor battery connections.
3. Check table connections at battery for loose connections,
corrosion.
4. DC alternator not charging.
4. Check connections, check belt tension. test alternator. See
DC ELECTRICAL SYSTEM/ALTERNATOR.
Battery not charging
1.
DC charge circuit faulty.
1, Penorm D.C. voltage check of generator charging circuit. See
DC ELECTRICAL SYSTEM/ALTERNATOR.!n this manual.
2 . . Alternator drive.
2. Check drive belt tension. Alternator should turn freely. Check
for loose connections. Check output voltmeter. Ensure 12 volts
are present at the Exc. terminal.
Generator engine stops.
1. Switches andlor wiring loose
1. Inspect wiring for short circuits and loose connections.
(Fault display under speed)
or disconnected,
Inspect switches for proper operation.
NOTE: The engines DC electrical system
2. Fuel starvation.
2, Check fuel supply, fuel valves, fuel teed strainer.
is protected by a 20 amp rocker type
reset circuit breaker on the front of the
3. 20 Amp circuit breaker tripping.
3. Check for high DC amperage draw during operation.
control panel.
(LCD display blank)
Ensure breaker is not overly sensitive to heat which would
cause tripping.
4. Exhaust system is restricted.
4. Check for blockage or collapsed muffler.
5.
Water in fuel.
5,
Pump water from fuel tank(s); change filters and
bleed fuel system.
6. Air intake obstruction.
6. Check air intake filter cartridge.
Engine starts, runs and shuts down,
1. Faulty oil pressure switch.
1. Check oil pressure switch.
2. Water temperature switch.
2. Check water temperature switch.
Exhaust smoking problems
1. Blue smoke,
1.
Incorrect grade of engine oil.
1a. Crankcase is ovenilled with engine oil (oil is blowing out
through the exhaust).
2. White smoke.
2. Engine Is running cold.
2a. Faulty Injector or incorrect injector timing.
3. Black smoke.
3. Improper grade of fuel or possible generator overload.
3a. Fuel.burn Incomplete due to high back pressure in exhaust or
insufficient air for proper combustion (Check for restrictions in
.exhaust system; check air intake).
·.c
l"'fN"IWESTERBEKE
3b.lmproperly timed injectors or valves or poor compreSSion.
3c. lack of air - check air intake and air filter. Check for proper
I
Engines & Generators
v6lltilation,
29
Advertisement
Table of Contents
Troubleshooting
