My chain saw does not start and the chain does not move. Check to see if the safety chain brake lever is engaged. To reset the chain brake, disconnect the tool from the mains and snap the chain brake lever backwards (towards the operator). Related articles How do I assemble my SWJ802E? How do I assemble my SWJ800E Pole Chain Saw? What type of oil does my unit take? Will this unit come with a battery and charger? What is the reduction ratio of the CJ603E Wood Chipper/Shredder?