Sorry I missed the 61x Power board picture....see attached. Looks similar to the other models. I guess the other method of testing if the 120vac heater is working is very carefully touching the chimney pipe after the 120vac heater has been turned on the fridge (set for control panel to auto and connected to shore power). No heat means element is not working.....but there is still proving if the 120vac is actually getting to the heat element wires through the power board. I am sure it will be a straight forward repair though. Good luck.
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