20
TROUBLESHOOTING
TROUBLESHOOTING CHART
Problem | Check | Status | Cause | Remedy | |
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| Fuel strainer clogged | Clean or replace | |
| Fuel at carburetor | No fuel at carburetor | Fuel line clogged | Clean or replace | |
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| Carburetor | See your Echo dealer | |
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| No fuel at cylinder | Carburetor | See your Echo dealer | |
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Engine | Fuel at cylinder |
| Fuel Mixture too rich | Open choke | |
Muffler wet with fuel |
| Clean/replace air filter | |||
cranks - |
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| Adjust carburetor | ||
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starts hard/ |
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| See your Echo dealer | |
doesn't |
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| Stop switch off | Turn switch to ON | ||
start | Spark at end |
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| No spark | Electrical problem | See your Echo dealer | ||
| of plug wire | ||||
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| Interlock switch | See your Echo dealer | ||
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| Spark gap incorrect | Adjust to .65mm (0.026 in.) | |
| Spark at plug | No spark | Covered with carbon | Clean or replace | |
| Fouled with fuel | Clean or replace | |||
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| Plug defective | Replace plug | |
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| Air filter | Air filter dirty | Normal wear | Clean or replace | |
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| Fuel filter | Fuel filter dirty | Contaminants/residues in | Replace | |
| fuel |
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| Fuel vent | Fuel vent plugged | Contaminants/residues in | Clean or replace | |
Engine runs, | fuel |
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but dies or |
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Spark Plug | Plug dirty/worn | Normal wear | Clean and adjust or replace | ||
does not | |||||
accelerate |
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Carburetor | Improper adjustment | Vibration | Adjust | ||
properly | |||||
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| Cooling System | Cooling system | Extended operation in | Clean | |
| dirty/plugged | dirty/dusty locations |
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| Spark Arrestor | Spark arrestor | Normal wear | Replace | |
| Screen | screen plugged |
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Engine does | N/A | N/A | Internal engine problem | See your Echo dealer | |
not crank | |||||
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Engine runs, |
| Pipe clogged | Unclog | ||
blower |
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Blower pipe | Pipe loose | Vibration | Tighten | ||
doesn't work | |||||
or is |
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| Pipe damaged | Wear/Misuse | Replace | ||
weak/uneven |
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WARNING
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by grounding spark plug near cylinder plug hole, otherwise serious personal injury may result.