– The nose piece may not be pressed firmly enough against the surface. Press the nose piece harder against the surface. – If the Gas Nailer has not been operated for longer than 24 hours, it may be in “Sleep Mode”-The Gas Nailer is equipped with a “Sleep Mode” function to protect the battery. If the Gas Nailer has not been used for a duration longer than 24 hours, it can only be turned back on after the battery has been removed and re-inserted. – If it is an Electronic fault - Remove the battery and insert it again after 30 seconds. – If the LED on the handgrip is on, the battery is empty and needs to be charged. – If the Battery has overheated you will need to let the battery cool down – If the Gas Nailer has overheated, you will need to let the Gas Nailer cool down. – If the LED on the handgrip is flashing you will need to have the Gas Nailer serviced. – If you have bent the nose piece or the Gas Nailer is defective, you will need to have the Gas Nailer repaired by an authorized service agent.