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Thermopile voltage drops when try to turn heater on. Main flame not firing up.
I couldn’t find an answer to this, but perhaps I didn’t find the right phrasing.
I have a gas log heater. A Matrix GFX-S. Might be an Australian rebrand.
I couldn’t get the main flame to fire up. I checked the thermopile voltage and it was initially showing about 90mv. I gave it a good clean and it now shows around 800mv, but drops right back to about 50mv when I press the on button. It’s possible that the heater was switched to on when I initially tested prior to cleaning the thermopile. The main flame still won’t ignite.
Any ideas as to how I can get my heater working again?
Any responses much appreciated.