Hoist operator received fault codes conducting hoist tests on the #3-16' shaft. The hoist would not reset. Operator called to report the fault. Calls to MSHA reporting line were placed at 10:44 PM, 10:46 PM, 11:03 PM, and 11:05 PM. Operator at hotline stated they could not hear caller and terminated call. Text was sent to local MSHA supervisor.