Patio Heater Not Working

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6 Mar 2011
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My Calor gas patio heater has suddenly stopped working. There's plenty of gas in the tank so that's not the cause. Can anyone suggest some fault diagnosis checks for the most common problems?
 
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I found with mine I often wasn't allowing long enough before pressing the igniter [needed to wait in excess of 45 secs].

Also, found this via googly - might be a start:

Homer



1. The pilot will not light at all but there is a spark from the igniter and it won't light from a match.

The patio heater may have a blockage preventing the fuel reaching the chamber.
Remove the LPG hose and check for insect/debris blockage, if a blower is available try blowing through the LPG hose.

2. Remove the flame emitter screen by removing the screws holding the flame screen in place. Lift the flame screen off the burner to access the piezo igniter spark and thermocouple.
Check the area for any signs of carbon build-up and clean. Look for any debris, insects and water within the area and remove/clean.

3. Test the piezo is sparking, turn the gas OFF and push the piezo ignitor, you should see a spark.
To test the piezo igniter is working OK remove the ignition lead at rear of the igniter, place your thumb over the end and press the red button - you should feel a small sting.
The piezo igniter should be close to the thermocouple, if it has dislodged so the spark cannot reach adjust it until a spark can be seen.

If points 1 to 3 are OK the probable cause will be failure of the thermocouple.
If the pilot on the patio heater lights up and then goes out when the gas control knob is turned on full then this is most likely a worn thermocouple.
 

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