Signs of a malfunctioning well pump may include low water pressure, unusual noises coming from the pump, or water that is discolored or smells strange. In some cases, the pump may not turn on at all. Troubleshooting the issue may involve checking the circuit breaker and pressure switch, as well as inspecting the well pump itself for any damage or wear. Repairs may be necessary if the issue cannot be resolved through basic troubleshooting. It is important to address any signs of a malfunctioning well pump as soon as possible, as the pump plays a crucial role in providing access to clean water.