Echo HC-1501 Operator's Manual page 24

Maintenance and care
Troubleshooting table
Problem
The engine does
not start
Engine is difficult to Fuel is entering the over-
start, fluctuating ro- flow pipe
tation
No fuel is entering the
overflow pipe
The spark plug is dirty or
damp
Engine starts but
no acceleration is
possible
The engine stops
The engine fails to
stop
The cutter blades
moves when the
engine is idling
The cutter blades
gets blunt
Checking and maintenance requires specialist knowledge. If you are unable to check and maintain the product or deal with a
fault yourself, consult your dealer. Do not attempt to dismantle the product.
Consult your dealer in the event of a problem that is not covered in the table above, or other such concerns.
For spare parts and consumables, please use only genuine parts and designated products and components. Using parts from
other manufacturers or non-designated components may result in a malfunction.
Diagnosis
There is no fuel in the fuel tank
The ignition switch is in the Stop posi-
tion
Excess fuel suction
Electrical fault
Carburettor malfunction or internal
sticking
Internal engine malfunction
Fuel degradation
Carburettor problem
Fuel filter is clogged
Fuel system is clogged
Internal carburettor parts sticking
Fuel degradation
Incorrect electrode gap
Carbon deposits
Electrical fault
Dirty air filter
Dirty fuel filter
Blocked fuel passage
Carburettor adjustment problem
Blocked exhaust vent or silencer vent
Carburettor adjustment problem
Electrical fault
Ignition switch malfunction
Carburettor adjustment problem
Damaged clutch spring
Worn cutter blades
Big gap between upper blade and low-
er blade
Slippage of the clutch
Cause
22
Solution
Fuel supply
Move to the Start position
Start the engine after servicing
Consult your dealer
Consult your dealer
Consult your dealer
Replace with new fuel
Consult your dealer
Clean or replace
Consult your dealer
Consult your dealer
Replace
Replace
Replace
Consult your dealer
Clean or replace
Clean or replace
Consult your dealer
Adjust
Clean
Adjust
Consult your dealer
Perform an emergency stop
and consult your dealer
Adjust
Consult your dealer
Consult your dealer
Consult your dealer
Consult your dealer