Possible Causes & Solutions:
Battery is dead:Unscrew the ignition button and replace the battery.
Cylinder valve is closed:Open the valve.
Blockage in orifice or pilot tube:Clean or replace the orifice or pilot tube.
Air in gas line:Open the gas line and bleed it by pressing the control knob in for no more than 1–2 minutes, or until you smell gas.
Low gas pressure with cylinder valve fully open:Turn the cylinder valve OFF and replace the cylinder.
Thermocouple is not functioning properly
Ensure the thermocouple is in the path of the pilot flame
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