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Thread: Open neutral
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Old 12-03-2022, 11:34 AM   #13
Bob Nodine
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Brand: Thor Motor Coach
Model: Quantum JM31
State: Tennessee
Posts: 701
THOR #21926
What are you calling the EMS? If it is the WatchDog that you clearly have at the pedestal and the WatchDog is issuing an "Open Neutral" error then the open neutral is most likely at the pedestal plug in the pedestal panel. These kinds of open neutrals can and usually are intermittent. I once had to have the campground change the socket in the pedestal to correct an open neutral problem. The campground owner was clueless as to how two phase power worked. Each leg of a 50 amp service is 180 degrees out of phase with each other. Voltage between either leg and the neutral is 120 volts but voltage between the legs is 240 volts. That is why an open neutral can cause serious damage to appliances in your RV and must be corrected.
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2022 Quantum JM31
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