Troubleshooting - IVT GCHS-25 Manual

TROUBLESHOOTING

CAUTION! Turn off the engine and wait until the machine stops completely before
investigating fault.
Conventional trouble
The engine does not start
The engine starts then stops
The saw chain (6) does not turn
The saw chain (6) and guide bar
(7) overheat
The chain brake does not work
The chainsaw does not cut well,
blocks, or makes banging noise
If the problem cannot be remedied on the basis of the information above, please take the device to an authorized
IVT Service Center.
ATTENTION! DO NOT ATTEMPT TO REPAIR THE PRODUCT BY YOURSELF AND DO NOT
TAMPER WITH IT! Any operation of repairing or extraordinary maintenance must be carried
out only by a qualified and authorized IVT Service Center. Do not try to modify any internal
part of the product! THIS WILL COMPLETELY VOID THE WARRANTY AND IT COULD CAUSE
SERIOUS INJURY AND DAMAGE.
Trouble reason
∙ The On/Off switch (12) is in the
"0" position
∙ There is no fuel mixture in the
tank
∙
There is dirt or water in the fuel
tank
∙
The spark plug (25) does not
spark: it is dirty, worn or defective
∙ Excessive load on the cutting
tool
∙ The spark plug (25) is damaged ∙
∙
A mixture of gasoline-oil has not
been used and serious damage has
been provoked to the engine
∙ The air filter (24) is clogged or
dirty
∙
The exhaust muffler
obstructed
∙
Check if the chain
mechanism has activated
∙ The air filter (24) is clogged or
dirty
∙ The exhaust muffler
obstructed
∙
Insufficient oil in the tank
∙
The saw chain (6) is too tense
∙ Oil nozzle or channel clogged
∙
Saw chain (6) is dry: insufficient
oil in the tank
∙
Defective chain brake initiator (9)
∙ The saw chain (6) is loose
∙
The saw chain (6) is worn
∙
Defective saw chain (6)
17
Instruction manual
Remedy
∙ Put it to "I" position
∙ Fill it up
∙
Clean it
∙
Clean or replace it
∙ Reduce the load
Replace it
∙
Take the machine
authorized service centre
∙ Clean it
∙
is Contact an authorized service
centre
∙
brake Push the chain brake initiator (9)
towards the engine
∙ Clean it
is ∙ Contact an authorized service
centre
∙
Fill with suitable oil
∙
Loosen it
∙ Clean it
∙
Fill with oil
∙
Contact an authorized service centre
∙ Adjust its tension
∙
Sharpen or replace it
∙
Replace it
EN
to an