369. The AC winch hoist controller shown in the illustration has a burned out hoist contactor coil that must be replaced. Before replacing the coil, the cause for the burnout must be determined. Which of the following statements represents the possible cause

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the coil burnout may occur with a normal voltage applied to the coil (between 85% and 110% of rated voltage) if accumulated dirt prevents proper seating of the armature to the magnet.

369. The AC winch hoist controller shown in the illustration has a burned out hoist contactor coil that must be replaced. Before replacing the coil, the cause for the burnout must be determined. Which of the following statements represents the possible cause

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