Husqvarna ProFlex 21 manual Trouble Shooting Guide, Problem Cause

Models: ProFlex 21

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TROUBLE SHOOTING

Trouble Shooting Guide

Problem

Cause

 

 

 

The engine will not start.

Fuel tank empty

 

Incorrect fuel type

 

Faulty spark plugs

 

• Faulty spark plug connections

 

• Dirt in the carburettor or fuel line

 

 

 

Starter does not turn the engine

Cutting unit in incorrect position

 

Brake not applied

 

• Hydrostat pedals not in the neutral position

 

Discharged battery

 

• Poor contact affecting the battery terminal cable

 

 

connections, ignition lock, or starter

 

• Main fuse blown The fuse is found in front of the

 

 

battery, under the battery cover

 

Faulty ignition lock

 

Faulty starter

 

 

 

The engine runs erratically

Faulty spark plug

 

Incorrect carburettor setting

 

• Clogged air filter

 

• Blocked fuel tank ventilation

 

Incorrect ignition setting

 

• Dirt in the carburettor or fuel line

 

• Choking or incorrectly adjusted choke cable

 

Incorrect fuel type

 

 

 

Abnormal exhaust smoke

Black smoke:

 

• Choking or incorrectly adjusted choke cable

 

Incorrect carburettor setting

 

• Clogged air filter

 

Blue smoke:

 

• Oil mixed with fuel in tank

 

Serious engine damage

 

Thick pale smoke:

 

• Tank filled with diesel

 

 

 

The engine lacks power

Clogged air filter

 

Faulty spark plugs

 

• Dirt in the carburettor or fuel line

 

Incorrect carburettor setting

 

• Choking or incorrectly adjusted choke cable

 

Incorrect fuel type

 

 

 

English-71

Page 73
Image 73
Husqvarna ProFlex 21 manual Trouble Shooting Guide, Problem Cause