Scotts S1642 Operator's Manual page 50

IF
Engine Hard To Start
Loss Of Power
Engine Continues To Run When Operator Leaves
Seat
Engine Will Not Turn Over
Engine Stops When Shift Lever Is Moved Rearward
and Mower Is Engaged (Hydrostatic)
TROUBLESHOOTING
CHECK
Dirty air filter.
Bad spark plug.
Weak or dead battery.
Dirty fuel filter.
Stale or dirty fuel.
Loose or damaged wiring.
Carburetor is not adjusted properly or dirty.
Engine valves out of adjustment.
Below 32°F (0°C)
Cutting too much grass /too fast.
Choke adjusted incorrectly.
Buildup of grass, leaves and trash under mower.
Dirty air filter.
Low oil/dirty oil.
Faulty spark plug.
Dirty fuel filter.
Stale or dirty fuel.
Water in fuel.
Spark plug wire loose.
Dirty engine air screen/fins.
Dirty/clogged muffler.
Loose or corroded electrical connections.
Carburetor is not adjusted properly or dirty.
Faulty operator presence safety switch.
Clutch/brake pedal not depressed.
Attachment clutch is engaged.
Weak or dead battery.
Blown fuse.
Corroded battery terminals.
Loose or damaged wiring.
Faulty ignition switch.
Faulty solenoid or starter.
Faulty operator presence safety switch.
Normal condition. (See Using Reverse Implement Option in the
OPERATING section.)
Troubleshooting - 46