You may have a bad ground or neutral wire in the circuit breaker panel for your house. Chack all wire connections and make sure that the black wire from your breaker panel connects to the black wire of the furnace. Check all ground wires in the furnace.
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You may have a bad ground or neutral wire in the circuit breaker panel for your house. Chack all wire connections and make sure that the black wire from your breaker panel connects to the black wire of the furnace. Check all ground wires in the furnace.