Redwood Global Ltd - ST6P
Operator and Maintenance Manual
Chapter 6: Troubleshooting
6.1 THE ENGINE DOESN'T CRANK
Possible cause Check Corrective action
Battery Check battery terminals Tighten if loose
Check battery is charged Charge if flat
Check red and black battery
cables at the engine
connection
Tighten if loose
Check battery condition Replace if damaged
Bonnet sensor Check condition Replace if damaged
Check if Bonnet is lit up on the
P2 screen when the bonnet is
down
Replace sensor or tighten
connector plug
Check sensor gap Adjust to approx. 3-4mm
Check plug security Tighten if loose
Blown fuse Check fuse for controller Replace if blown
Check fuse security
Flywheel seized Check flywheel and chamber
for blockages
Clear blockages
Ignition switch Check plug and wiring Refit or replace
Starter motor Check wiring and connections Refit or replace
6.2 THE ENGINE CRANKS BUT DOESN'T FIRE
Possible cause Check Corrective action
Fuel is not flowing Check fuel level Top up if empty
Check fuel tank for debris Remove any debris
Check fuel lines for damage or
kinks
Replace or remove kinks
Check banjo bolt for blockage Clear blockage
Check fuel cap vent Clean vent or replace cap
Poor quality fuel or wrong fuel Check fuel Drain and refill fuel system
Air in the fuel system Check for loose fuel line clips or
damaged hoses
Tighten or replace
Water in the fuel system Drain water from the system
Battery Check battery terminals Tighten if loose
Check battery is charged Charge if flat
Check red and black battery
cables at the engine
connection
Tighten if loose
Check battery condition Replace if damaged
Ignition switch is damaged Check plug and wiring Refit or repair
Debris in chamber Check chamber for debris Remove any debris
12-00-001 v4.0 110