When a bottom-loading water dispenser or pump system fails to pick up water from the storage container, the malfunction is usually caused by an air lock in the suction line, a loose connection at the probe seal, a clogged intake strainer, or a deactivated pump. If the suction tube draws in air due to a loose fit or a cracked bottle cap, the pump loses its prime and cannot lift the water upward. You can troubleshoot suction lines easily by inspecting intake fittings. You can verify that your corrective action is successful when reseating the suction probe tightly against the bottle cap, clearing clogged intake strainers, or priming the pump restores normal water pickup and flow.
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