Page 15 — English
PROBLEM
POSSIBLE CAUSE
SOLUTION
Handle not in position.
Handle knobs not tight.
Tighten handle knobs.
Mower not starting.
No fuel in tank.
Spark plug shorted or fouled.
Spark plug is broken (cracked porcelain
or electrodes broken).
Ignition lead wire shorted, broken, or
disconnected from spark plug.
Ignition inoperative.
Fill tank.
Replace spark plug.
Replace spark plug.
Replace lead wire or attach to spark
plug.
Contact qualified service center.
Mower self-propel not working.
Drive belt off pulley.
Contact qualified service center.
Mower self-propel too slow
Drive belt worn.
Contact qualified service center.
Mower cutting grass unevenly.
Lawn is rough or cutting height not set
properly.
Adjust the cutting height.
Mower not mulching properly.
Wet grass clippings sticking to the un-
derside of the deck.
Grass is too thick.
Wait until the grass dries before mowing.
Raise cutting height.
Mower hard to push.
High grass, rear of mower housing and
blade dragging in heavy grass, or cut-
ting height too low.
Raise cutting height.
Mower not bagging properly.
Cutting height set too low.
Walking too quickly while mowing.
Raise cutting height.
Slow your pace.
Mower vibrating at higher speed.
Blade is unbalanced, excessively or
unevenly worn.
Bent engine shaft.
Replace the blade.
Stop the engine. Inspect for damage.
Have repaired by a qualified service
center before restarting.
Engine stops while cutting.
Cutting height set too low.
Raise the cutting height.
If problem persists after trying the above solutions, contact customer service or a qualified service center for assistance.
NOTICE:
As the equipment owner, you are responsible for the performance of the required maintenance listed in the
Maintenance
section. It is recommended that you retain all receipts covering maintenance on your equipment. Neglecting or failing
to perform the required maintenance may increase emissions, decrease fuel efficiency, degrade performance, cause ir-
reversible engine damage and/or void your warranty.
TROUBLESHOOTING
Summary of Contents for BM21HWAS
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