Using Troubleshooting Chart - Scotts S2048, S2554 Operator's Manual

Using Troubleshooting Chart

If you are experiencing a problem that is not listed in this
chart, see your Authorized Service Center for service.
When you have checked all the possible causes listed
and you are still experiencing the problem, see your
Authorized Service Center.
Engine
IF
Engine Will Not Crank
Engine Runs Unevenly
Engine Will Not Idle
TROUBLESHOOTING
CHECK
Brake is not pushed down.
Loose or corroded electrical connections.
PTO knob is in ON position.
Fuse is blown.
Battery is low.
Cooling fins plugged.
Spark plug wire is loose or disconnected.
Loose electrical connections.
Choke or throttle cable sticking or misadjusted choke
left in the ON position.
Air cleaner dirty.
Water in fuel or carburetor float bowl.
Dirt in carburetor float bowl.
Spark plug not gapped correctly.
Faulty spark plug.
Choke on or partially on (warm engine).
Troubleshooting - Page 65