9/2/2023 0 Comments Piezo ignitor troubleshooting![]() ![]() Since I'm not a fan of cold showers, I wanted to just buy a new water heater since this is ten years old, but I figure, in the spirit of DIY home improvement, why not just replace the faulty component and have some spare change left over. Coincidentally, when the plumber was here a few weeks earlier installing gas line, he too had a bit of difficulty getting the piezo to ignite the pilot. I then returned to redo the process, but then the piezo igniter was not producing a spark. So, I turned off the gas and let it air out for 10 minutes. If your electrodes are in need of replacement, you will need to upgrade your BBQs burners to our newer burners so that the new piezo system can fit. 1 I did get the pilot to re-light (saw the pilot light through the window), but I was not sure that I did it correctly (not sure why). After the work was complete, I turned on the gas at the main and initiated the process to re-light the gas water heater pilot. In the first two articles of this series, I covered initial troubleshooting steps. Replace the ignitor to correct the problem.I was doing some work on my residential gas lines which required turning off the gas at the main. The electrode should release a spark simply by pressing the piezo igniter. When electronic ignitors with a good power supply and a clean spark gap still fail to spark, electronic components could be at fault. If a voltmeter shows power at the input to the ignitor module, the battery box and connections work properly. Gnawing rodents sometimes sever ignitor wires. Look for loose or corroded connections and for broken or chewed wires. If new batteries don't fix the problem, check the wiring that connects the battery box to the ignitor. If clean and correctly aligned electronic ignitors fail to produce sparks, check the batteries first. If a clean piezoelectric starter creates no spark, replace the ignitor module. If a spark appears, follow ordinary lighting procedures to start the grill. Pushing the ignitor button once should cause a spark. Clean the gap with a soft brush, and allow the ignitor to dry completely before testing again. AdamDIY 213K subscribers Subscribe 788K views 6 years ago How to light a gas fireplace pilot light & troubleshooting Replacement piezo sparker As always shut off the gas. Debris in the spark gap could short out the electrode. With the ignitor in proper position, pressing the button should create a visible spark. The sparking tip of the ignitor must align with the opening of the lighting tube or fuel may not reach the spark gap. If this cable isn’t connected, the electricity from the piezo ignition will never turn into the spark that lights the oven. This is the most overlooked portion of assembling your pizza oven and it’s commonly the reason why the oven will not light. Spiders, wasps or other insects sometimes build nests that block the tubes. Check to make sure the black starter wire is connected to the starter plug. Fuel could fail to reach the ignitor because of debris in the lighting tubes. If the grill lights with a match, the problem lies in the ignitor. The number 2 step is to check out the ignition wire and ensure that it doesn’t touch the metal. ![]() Most grills include a metal match holder and a lighting port. Watch out: we disassembled the stove top burner to make this photo. Our photo shows an LP gas stove top burner igniter sparking away. When a gas-fired heating appliance stops working, the problem may be with the igniter, not other gas valve components. If the grill fails to light when operated properly, check the burners by lighting manually with a match. 7 Easy Steps in Gas Igniter Troubleshooting - gas stove or cooktop burner wont ignite. Make sure the tank has fuel and the main valve is open. The owner's manual gives procedures specific to the model of grill, but troubleshooting steps vary only slightly by model. Dead batteries or corroded contacts prevent normal operation. Electronic ignitors depend on batteries for power. I did shock myself while holding the assembly while clicking the igniter, whatever that means. I removed the whole burner assembly, along with the igniter switch. ![]() pushed the igniter and no sparks were seen. Piezoelectric ignitors need no batteries, but the generating crystal could break. pilot went out and wh wont light up anymore on this GE 50 gal. Electronic ignitors activate an oscillator circuit, charging a capacitor until voltage climbs high enough to jump across the spark gap. Piezoelectric ignitors mechanically compress a piezoelectric crystal that generates a voltage when under pressure. The spark sets the gas alight, and the flame travels back to the burner through the tube. When the grill operator opens the valve to a burner, gas enters a metal tube leading to the ignitor's spark gap. ![]()
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