Place the engine ignition switch to ‘ON’ position and press the engine safety by-pass
button(and keep it pressed, until engine RPM reaches approx. 400), turn the engine starter key (at this moment the engine gas valve (FCV) will open) and slightly open the manual gas valve on the engine. The engine will start and now open the manual valve fully. If it doesn’t start due to cold condition, then try to start it again for 2 - 3 times.