Non-Condensing Models - AO Smith Water Heaters
Non-Condensing Models - AO Smith Water Heaters
Non-Condensing Models - AO Smith Water Heaters
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Troubleshooting GuideUNIT HAS POWER, GAS, AND WATER BUT DOES NOT TURN ON• For new unit installs, check to make sure the unit is not plumbed in backwards.o Shut off cold water feed only.o Open nearest hot water tap. <strong>Water</strong> flow should stop. If not there is a cold water crossconnection.o Open Pressure Relief Valve. <strong>Water</strong> flow should stop. If not unit is plumbed inbackwards.• Clean the filter (p. 21).• If the fan never initiates, check for a fouled water flow sensor (p. 31).EASY‐LINK SYSTEM SETUP (MULTIPLE HEATER SETUP)• Refer to the Installation Manual for proper setup.• Unit Numberingo The master unit will always be assigned number 1. The remaining units will be randomlyassigned numbers 2‐4 (if there are 4 units in the Easy‐Link system).11| Page