IVT GCHS-25, Manual

Page: 17 / 76

17
EN
Instruction manual
TROUBLESHOOTING
CAUTION! Turn off the engine and wait until the machine stops completely before
investigating fault.
Conventional trouble Trouble reason Remedy
The engine does not start
∙
The On/Off switch (12) is in the
“0” position
∙
Put it to “I” position
∙ There is no fuel mixture in the
tank
∙ Fill it up
∙
There is dirt or water in the fuel
tank
∙
Clean it
∙ The spark plug (25) does not
spark: it is dirty, worn or defective
∙ Clean or replace it
The engine starts then stops
∙ Excessive load on the cutting
tool
∙ Reduce the load
∙ The spark plug (25) is damaged ∙ Replace it
∙
A mixture of gasoline-oil has not
been used and serious damage has
been provoked to the engine
∙
Take the machine to an
authorized service centre
∙ The air filter (24) is clogged or
dirty
∙ Clean it
∙ The exhaust muffler is
obstructed
∙ Contact an authorized service
centre
The saw chain (6) does not turn
∙
Check if the chain brake
mechanism has activated
∙
Push the chain brake initiator (9)
towards the engine
∙ The air filter (24) is clogged or
dirty
∙ Clean it
∙
The exhaust muffler is
obstructed
∙
Contact an authorized service
centre
The saw chain (6) and guide bar
(7) overheat
∙ Insufficient oil in the tank ∙ Fill with suitable oil
∙
The saw chain (6) is too tense
∙
Loosen it
∙ Oil nozzle or channel clogged ∙ Clean it
∙ Saw chain (6) is dry: insufficient
oil in the tank
∙ Fill with oil
The chain brake does not work
∙ Defective chain brake initiator (9) ∙ Contact an authorized service centre
The chainsaw does not cut well,
blocks, or makes banging noise
∙ The saw chain (6) is loose ∙ Adjust its tension
∙ The saw chain (6) is worn ∙ Sharpen or replace it
∙
Defective saw chain (6)
∙
Replace it
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.