Troubleshooting (Engine) - MQ Power WHISPERWATT DCA600SSV4F3 Operation Manual

Symptom
Engine does not start.
Starter does not run.
DCA600SSV4F3 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (11/15/22) — PAGE 65

TROUBLESHOOTING (ENGINE)

Troubleshooting (Diesel Engine)
Possible Problem
No fuel?
Air in the fuel system?
Water in the fuel system?
Fuel pipe clogged?
Fuel fi lter clogged?
Excessively high viscosity of fuel or engine
oil at low temperature?
Fuel with low cetane number?
Fuel leak due to loose injection pipe retaining
nut?
Incorrect injection timing?
Fuel cam shaft worn?
Injection nozzle clogged?
Injection pump malfunctioning?
Seizure of crankshaft, camshaft, piston,
cylinder liner or bearing?
Compression leak from cylinder?
Improper valve timing?
Piston ring and liner worn?
Excessive valve clearance?
Battery discharged?
Starter malfunctioning?
Key switch malfunctioning?
Wiring disconnected?
Solution
Replenish fuel.
Bleed system.
Remove water from fuel tank.
Clean fuel pipe.
Clean or change fuel fi lter.
Use the specifi ed fuel or engine oil.
Use the specifi ed fuel.
Tighten nut.
Adjust.
Replace.
Clean injection nozzle.
Repair or replace.
Repair or replace.
Replace head gasket, tighten cylinder head
bolt, glow plug and nozzle holder.
Correct or replace timing gear.
Replace.
Adjust.
Charge battery.
Repair or replace.
Repair or replace.
Connect wiring.