WATER HEATER CONTROL

10

WARNING: DO NOT BY-PASS ANY CONTROLS TO MAKE HEATER OPERATE.

OPERATE ONLY AS WIRED FROM FACTORY.

TROUBLESHOOTING

Please check guidelines below. For your safety, water heater service should be performed only by a qualified service technician.

Read the GENERAL SAFETY INFORMATION section first.

LED STATUS

PROBLEM

 

SOLUTION

 

 

 

 

 

An open earth ground circuit to the

1.

Check that the earth ground connection is

B

C

D

E

F

ignition system.

 

properly connected.

 

 

 

 

 

 

2.

Check that the ground conductor on the

 

 

 

 

 

 

 

water heater is properly connected.

B

C

D

E

F

Wiring error or a high resistance to

1.

Check for proper connection of line

earth ground.

 

neutral and hot wires.

 

 

 

 

 

 

2.

Check that the water heater is securely

 

 

 

 

 

 

 

connected to earth ground.

B C

D

E

F

Pressure switch remained closed longer

1.

Pressure switch wiring is incorrect.

than 5 seconds after the call for

2.

Replace pressure switch.

 

 

 

 

 

 

 

 

 

 

heat began.

 

 

 

 

 

 

 

Pressure switch remained open longer

1.

Pressure switch wiring is incorrect.

B

C

D

E

F

than 5 seconds after the combustion

2.

Pressure switch tubing not connected

 

 

 

 

 

blower was energized.

 

correctly.

 

 

 

 

 

 

3.

Air intake or exhaust obstructed.

B

C

D

E

F

Error in the hot surface ignitor circuit.

1.

Check that all wiring is correct and secure.

 

 

 

 

 

 

2.

Replace hot surface ignitor.

 

 

 

 

 

System in lockout.

1.

Gas supply is off or too low to operate.

 

 

 

 

 

 

2.

Hot surface ignitor not positioned

B

C

D

E

F

 

3.

correctly.

 

 

 

 

 

 

Low voltage to the water heater.

 

 

 

 

 

 

4.

Electric polarity to unit is incorrect - test

 

 

 

 

 

 

 

and correct.

B

C

D

E

F

Problem in the gas valve driver circuit.

1.

Turn power to the water heater off for

 

 

10 seconds and then back on.

 

 

 

 

 

 

 

 

 

 

 

 

 

2.

Replace gas control valve.

B

C

D

E

F

Problem with the internal circuit.

1.

Turn power to the water heater off for

 

 

10 seconds and then back on.

 

 

 

 

 

 

 

 

 

 

 

 

 

2.

Replace gas control valve.

B

C

D

E

F

Problem with the internal circuit.

1.

Turn power to the water heater off for

 

 

10 seconds and then back on.

 

 

 

 

 

 

 

 

 

 

 

 

 

2.

Replace gas control valve.

B

C

D

E

F

Flame signal sensed out of

1.

Replace gas control valve.

 

 

 

 

 

proper sequence.

 

 

B

C

D

E

F

ECO activated.

1.

Lower water temperature to below 120°F

 

 

and turn power to the water heater off for

 

 

 

 

 

 

 

10 seconds and then back on.

 

 

 

 

 

 

2.

Replace gas control valve.

B

C

D

E

F

One of the temperature adjust

1.

Press and release each of the buttons once.

 

 

 

 

 

buttons stuck closed.

2.

Replace gas control valve.

B

C

D

E

F

Water temperature sensor is

1.

Check that all wiring is correct and secure.

 

 

 

 

 

either open or short circuited.

2.

Replace gas control valve.

18

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A.O. Smith BTI-80 warranty Water Heater Control, Troubleshooting
Page 17 Page 19

BTI-80 specifications

The A.O. Smith BTI-80 is a notable contender in the residential water heater market, renowned for its reliable performance, energy efficiency, and innovative features. Designed with the modern homeowner in mind, this model stands out due to its ability to provide ample hot water while minimizing energy consumption, making it an excellent choice for a variety of home sizes and needs.

At its core, the BTI-80 is a 80-gallon capacity tank water heater, catering to households with higher hot water demand. This large capacity ensures that families can comfortably enjoy long showers, run multiple appliances simultaneously, and meet their everyday hot water requirements without experiencing a dip in temperature. The tank's size makes it particularly suitable for larger families or homes with multiple bathrooms.

One of the most significant advancements in the BTI-80 is its state-of-the-art insulation technology. With its high-density foam insulation, this water heater retains heat more effectively, reducing standby heat loss and ensuring that the water remains hot for longer periods. This efficiency translates directly into savings on energy bills, offering an environmentally friendly solution without compromising performance.

The BTI-80 is equipped with a robust and reliable burner system. The gas burner operates efficiently, designed to heat water quickly while still adhering to safety and environmental standards. Additionally, the unit features a self-diagnostic control system that continuously monitors the operational efficiency of the heater. This technology not only contributes to enhanced safety by flagging potential issues but also allows for preventative maintenance, improving the lifespan of the unit.

Another standout characteristic of the A.O. Smith BTI-80 is its user-friendly interface. With accessible temperature controls and easy-to-read indicators, homeowners can easily adjust settings according to their preferences without any hassle.

Moreover, A.O. Smith’s commitment to quality is evident in the warranty that accompanies the BTI-80. The unit is often backed by a generous warranty period, underscoring the company's confidence in its product's durability and performance.

In conclusion, the A.O. Smith BTI-80 is an exceptional water heater that combines capacity, efficiency, and advanced technology. It is designed for homeowners who prioritize both comfort and sustainability, providing a reliable hot water solution that meets the demands of modern living. With its sophisticated features and consumer-friendly design, the BTI-80 is undoubtedly a top choice in the residential market.
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