GB
- 47 -
12. Troubleshooting guide
The table below contains a list of fault symptoms and explains what you can do to remedy the problem
if your equipment fails to work properly. If the problem still persists after working through the list, please
contact your nearest service workshop.
Fault Possible cause Remedy
The equipment
does not start
- Correct starting procedure not follo-
wed
- Sooted or damp spark plug
- Incorrect carburetor setting
- Follow the instructions for starting
- Clean the spark plug or replace it
with a new one
- Contact an authorized customer
service outlet or send the equip-
ment to ISC GmbH
The equipment
starts but does
not develop its full
power
- Incorrect choke lever setting
- Soiled air fi lter
- Incorrect carburetor setting
- Set the choke lever to „
“
- Clean the air fi lter
- Contact an authorized customer
service outlet or send the equip-
ment to ISC GmbH
The engine does
not run smoothly
- Incorrect electrode gap on the
spark plug
- Incorrect carburetor setting
- Clean the spark plug and adjust the
electrode gap, or fi t a new spark
plug
- Contact an authorized customer
service outlet or send the equip-
ment to ISC GmbH
Engine smokes ex-
cessively
- Incorrect fuel mix
- Incorrect carburetor setting
- Use the correct fuel mix (see fuel
mixing table)
- Contact an authorized customer
service outlet or send the equip-
ment to ISC GmbH
Saw chain dry - No oil in the tank
- Oil tank cap breather blocked
- Oil outlet blocked
- Fill up with oil.
- Clean the oil tank cap.
- Clear the oil outlet.
Chain/guide rail hot - No oil in the tank
- Oil tank cap breather blocked
- Oil outlet blocked
- Blunt chain
- Chain is overtensioned
- Fill up with oil.
- Clean the oil tank cap.
- Clear the oil outlet
- Re-sharpen or replace the chain.
- Check the chain tension
Chainsaw judde-
ring, vibrating or not
sawing properly
- Chain tension too loose
- Blunt chain
- Worn chain
- Saw teeth pointing in the wrong
direction
- Adjust the chain tension.
- Re-sharpen or replace the chain.
- Replace the chain.
- Reinstall the saw chain with the
teeth facing in the correct direction.
Anl_GC_MM_52_I_AS_SPK9.indb 47Anl_GC_MM_52_I_AS_SPK9.indb 47 15.03.2019 07:39:3715.03.2019 07:39:37