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Troubleshooting
Possible Cause
Problem
1
2
3
Engine does
4
not start
5
6
7
1
2
Spark plug
faulty
3
1
Engine
difficult to
2
start or
3
loses power
1
Engine
operates
2
erratically
3
Engine idles
1
poorly
2
3
Engine
1
skips at
high speed
1
Engine
overheating
2
1
Mower
2
vibrates
abnormally*
*DO NOT use the machine until vibration issue has been fixed.
Where necessary, all corrective actions should be carried out by a suitably qualified person.
48
www.hyundaipowerproducts.co.uk
OPC cable not adjusted correctly.
Fuel tank is empty.
Stale petrol.
Air filter element is dirty.
Spark plug is loose.
Spark plug cap loose or disconnected.
Engine flooded.
Spark plug cap is incorrect.
Carburetor is flooded with fuel.
Faulty ignition module.
Dirt, water or stale fuel in tank.
Vent hole in fuel tank is clogged.
Air filter element is dirty.
Spark plug is defective.
Spark plug gap is incorrect.
Air filter element is dirty.
Air filter element is dirty.
Air slots in engine are blocked.
Cooling fins and air passages under
engine housing are blocked.
Spark plug electrode gap is incorrect.
Cooling airflow is restricted.
Incorrect spark plug.
Cutting assembly is loose.
Blade / cutting assembly is
unbalanced.
Possible Solution
1
Adjust OPC cable.
2
Fill fuel tank.
3
Drain carburetor float bowl.
4
Clean or replace air filter.
5
Tighten spark plug.
6
Correctly fit the spark plug cap.
7
Wait several minutes before starting.
1
Set plug gap to 0.7 - 0.8mm or
replace spark plug.
2
Remove the air filter and pull starter
rope until carburetor clears.
3
Contact the service dealer.
1
Drain fuel and clean tank. Fill with
clean, fresh fuel.
2
Clean or replace fuel tank cap.
3
Clean or replace air filter element.
1
Fit new, correctly gapped spark plug.
2
Set plug gap to 0.7 - 0.8mm.
3
Clean or replace air filter element.
1
Clean or replace air filter element.
2
Remove debris from slots.
3
Remove debris from cooling fins and
passages.
1
Set plug gap to 0.7 - 0.8mm.
1
Remove any debris from slots in
shroud, blower housing and air
passages.
2
Fit new spark plug.
1
Tighten blade.
2
Take to a service dealer.
01646 687 880
aftersales@hyundaipowerproducts.co.uk
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