Hygger 902 500W Heater

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Fishyx3Netx3

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I have a Hygger 902 500W heater that came with a teardown of a 125g tank. Shown in the video is the "Water Tempeture" and "Up" displays both blinking. I am guessing there is a fault in the thermal detector. Any advise?...
 

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Tidal Gardens

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