24
TROUBLE
SHOOTING
Problem
Possible cause
Remedy
Insufficient power (cont)
Improper fuel mixing ratio
Replace with correct 25:1 fuel mix
Machine is overworked
Operate properly – do not overload
Fan cover, cylinder fins, etc. dirty
Clean and remove dirt and debris
Engine makes knocking noise
Cylinder overheating
Clean fins
Use of incorrect fuel
Replace with correct fuel
Poor acceleration
Fuel filter clogged
Contact Service Centre or replace
Fuel system clogged
Excessively low idle
Speed up idle/Contact Service
Centre
Excessively lean carburettor setting
Contact Service Centre
Clogged air filter
Clean filter
Air leakage
Loose carburettor
Contact Service Centre
Loose fuel pick up tube
Insert firmly/Contact Service Centre
Engine stops during operation
Stop switch is set to off position
Ensure stop switch is set to on
Engine stops abruptly
Shorting of spark plug
Clean spark plug or replace
Piston scored, ignition failure
Contact Service Centre
Miscellaneous
Fuel tank empty
Refuel
Carburettor or fuel tank clogged
Impeller clogged
Contact Service Centre
Remove blockage
Engine is difficult to shut off
Overheated engine
Run at idle before switching off
Overheating or electrical fault
Overheated spark plug
Clean & adjust gap 0.6 - 0.7mm
Defective stop switch
Contact Service Centre or replace
Poor contact of ground wire
Contact Service Centre
Unit main body
Loose impeller
Contact Service Centre
Irregular vibration
Bent main shaft
Worn shaft bearings
Contact Service Centre
Contact Service Centre
Damaged impeller
Loose engine mounts
Contact Service Centre
Retighten engine mount screws
Can not assemble blower air tube
or vac tube to main body
Screw still in main body
Debris on main body and/or blower
air/vac tube
Refer to assembly procedures
Clean blower main body and
blower air/vac tube
Vacuum bag, fan & tubes
Unit will not blow or vacuum
Tube or bag is blocked
Fan is blocked
Vac bag is dirty
Vac bag is torn or punctured
Clear the blockage following the
procedure in the manual.
Clear the blockage following the
procedure in the manual.
Clean the Vac bag.
Replace the Vac bag.
Troubleshooting
If running difficulties continue, contact your closest Authorised Service Centre.
LR02390A-A.indd 25
22/07/2014 4:37:51 PM
Not for
Reproduction