- 1). Check to make sure the water heater switch in your circuit breaker box is on.
- 2). Turn the temperature setting on the water heater to a hotter setting; it may be set too low.
- 3). Replace the fuses in the control unit on the water heater. There should be two spare fuses in the lower access panel of the control unit. Take out the old fuses and put the new ones in their place.
- 4). Look for the cold-water inlet connection on the right side of heater. The water valve should be turned on so water is flowing into the water heater.
- 5). Check the water pressure in the heater by turning off the cold water supply to the water heater by turning off the valve. Open the hot water taps in your house and wait for ten minutes; after this time, there should be no water flowing. If they continue to flow, you may have a water flow crossover in the system that needs correction by a plumber.
- 6). Make sure that the temperature sensors are firmly connected to the cold and hot water pipes; the hot water sensor is on the horizontal hot water pipe as it exits the water heater. The cold-water sensor is on the horizontal pipe that goes into the heater.
- 7). Check for obstructions in the water line. Unscrew the aerators from your faucets and clean any debris from them.
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