TROUBLESHOOTING

LED STATUS

PROBLEM

 

SOLUTION

 

An open earth ground circuit to the ignition

1.

Check that the earth ground connection is

 

system.

 

properly connected.

 

 

2.

Check that the earth ground conductor on the

 

 

water heater is properly connected.

 

Wiring error or a high resistance to earth

1.

Check for proper connection of line neutral and

 

ground.

 

hot wires.

 

 

2.

Check that the water heater is securely

 

 

 

connected to earth ground.

 

Pressure switch remained closed longer than 5

1.

Pressure switch wiring is incorrect.

 

seconds after the call for heat began.

2.

Replace pressure switch.

 

Pressure switch remained open longer than

1.

Pressure switch wiring is incorrect.

 

5 seconds after the combustion blower was

2.

Pressure Switch tubing is not connected correctly.

 

energized.

3. Air intake or exhaust obstructed.

 

Error in the hot surface igniter circuit.

1.

Check that all wiring is correct and secure.

 

 

2.

Replace hot surface igniter.

 

System in lockout.

1.

Gas supply is off or too low to operate.

 

 

2

Hot surface igniter not positioned correctly.

 

 

3.

Low voltage to the water heater.

 

 

4.

Electric polarity to unit is incorrect - test and cor-

 

 

rect.

 

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.

 

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.

 

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.

 

Flame signal sensed out of proper sequence.

1.

Replace gas control valve.

 

 

 

 

 

ECO activated.

1.

Replace gas control valve.

 

 

 

 

 

One of the temperature adjust buttons stuck

1.

Press and release each of the buttons once.

 

closed.

2.

Replace gas control valve.

 

Water temperature sensor is either open or

1.

Check that all wiring is correct and secure.

 

short circuited.

2.

Replace gas control valve.

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American Water Heater 50-60K BTU, 40-42K BTU installation instructions Troubleshooting, LED Status Problem Solution

40-42K BTU, 50-60K BTU specifications

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