Had the same issue on a 34F, nears end of leveling cycle and shows low voltage fail, system locks up, as mentioned above the in line breakers are the issue on mine, 34F has two in the batt and pump compartment, the yellow arm will be extended if breaker is popped, retracted if not popped, similar breaker under the engine cover but that one has never popped for the levelers. I cannot retract using the controller until the breaker has been reset.
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