Engine Won't Start - Vanguard CPW 125-4-S Series Operation And Maintenance Manual

Engine Won't Start

4
Figure 82: Engine Won't Start Troubleshooting—numbered callouts reference
numbered problem list below
Possible cause
1 No fuel
2 Fuel line not primed.
Automotive style fuse (FU4) blown.
3
Loose wiring
4
5 Faulty control relay (CR1)
6 Engine fault.
037-08OP-002D-01
5
3
037-05-63-056A
S/N CB50600021 – UP (Weld-deck)
Solution
Fill fuel tank. Check fuel lines for restrictions. Check fuel
supply line shut-off valve—if equipped—is open. Refer to
genset engine's Operation and Maintenance Manual for
instructions on priming (see fuel filter replacement section).
Prime fuel with lift pump lever; refer to genset engine's
Operation and Maintenance Manual for instructions on
priming (see fuel filter replacement section).
Check and replace with spare fuse of same rating
Check wires #6, #85 in control box.
Check that the Engine Harness is firmly secured to the
Engine Control Module (ECM), see the Before Starting
Genset-Engine section.
Replace control relay (CR1) module, located behind Timer
(TR1).
Refer to The Engine Digital Display unit to determine fault
code. See the Engine Digital Display in the Operation
section of this manual. Refer to the Engine Diagnostic
Trouble Codes; see the appendices at the end of the Weld-
Deck Operation and Maintenance Manual, Weld-Deck
welding package CPW 125-4-S2-4.
2
037-05-50-163A
94