Resetting the internal electric water pump on a Primo bottom-loading water dispenser involves performing a complete electrical power cycle and clearing any trapped air locks in the suction tubing. First, unplug the dispenser power cord from the wall outlet and turn off the rear heating and cooling toggle switches. Second, open the lower cabinet door, remove the suction probe from the water bottle, and check the intake line for pinches or air gaps. Third, allow the dispenser to sit unpowered for five minutes to let control boards reset, then plug it back in. You can troubleshoot suction easily. You can verify that your reset procedure was successful when securing the suction probe tightly into the water jug and pressing the dispensing paddle activates the pump motor, successfully pulling water up into the tanks.
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