My new SV34 with the Xantrex 2000 would only show that it was on inverter mode even when plugged into shore power. Batteries would run down fast. My dealer was able to diagnose a bad connection on one of the feeds plugging into the Xantrex. Even though it was charging the batteries when pluggeg in, batteries were powering the fridge, etc., so they were never getting fully charged. Once that connection was fixed, inverter showed correctly that it had switched to shore shore power. So far every thing seems to be working properly.
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