American Water Heater Residential Gas Water Heaters Benutzerhandbuch

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Call the technical support phone number listed on the back cover for further technical assistance or to locate a qualified service technician 

in your area.

•  The control system has detected the Blower Prover Switch 

contacts are closed when they should be open at the beginning of 

a heating cycle.

•  Pinched/shorted Blower Prover Switch wiring.
•  Jumper wire connected to the Blower Prover Switch - remove 

jumper wire. Jumper wires must never be used, read all Warnings.

•  Excessive wind outdoors pressurizing the vent system piping.
•  Excessive negative air pressure in the installed space.

 

CHANGE

 

BACK 

ADVANCED

Blower Prover Failure

Fault occurred 2 mins ago

The blower prover switch is

closed out of sequence.

Call a service professional:

Your Company Name Here

(press [DOWN] for more....)

•  The control system has detected the Blower Prover Switch 

contacts are remaining open after the control system has 

energized the Combustion Blower.

•  Loose or open wiring to the Blower Prover Switch.
•  Blower Prover Switch air sensing tube disconnected, kinked, filed 

with condensate, damaged or leaking - repair or replace tube.

•  Combustion Blower is not running when energized.
•  Loose or open wiring to Combustion Blower.

 

CHANGE

 

BACK 

ADVANCED

Blower Prover Open

Fault occurred 2 mins ago

The blower prover switch remains

open after the blower has been

energized.

Call a service professional:

Your Company Name Here

(press [DOWN] for more....)

•  The control system has detected the Blocked Intake Air Switch 

contacts are open.

•  Loose or open wiring to the Blocked Intake Air Switch.
•  Excessive equivalent pipe length, exceeded the maximum number 

of 90° elbows or wrong pipe size used in the intake air piping 

system.

•  Excessive negative air pressure in the installed space.

 

CHANGE

 

BACK 

ADVANCED

Blocked Air Intake

Fault occurred 2 mins ago

The combustion air intake is

restricted.

Call a service professional:

Your Company Name Here

(press [DOWN] for more....)

•  The control system has detected the ECO (energy cut out) Switch 

contacts are open.

•  The ECO switch is a normally closed switch that opens on a 

temperature rise to prevent excessive water temperature in the 

storage tank. The ECO switch is inside the Temperature Probe 

(two red wires).

•  Loose or open wiring to the ECO switch in the Temperature Probe 

- two red wires.

 

CHANGE

 

BACK 

ADVANCED

Energy Cut Out (ECO)

Fault occurred 2 mins ago

Tank temperature is excessive.

The water heater has been

disabled.

Call a service professional:

Your Company Name Here

(press [DOWN] for more....)

•  The control system has not detected any voltage from the powered 

anode rod.

•  No water in the storage tank.
•  Loose or open wiring connections to the powered anode rod.
•  Powered anode rod wiring shorted to ground.
•  The water heater is not properly grounded.
•  Loose or open ground wires.
•  Top fitting (3/4 inch bushing) of the powered anode rod was 

saturated with water during installation - with power to the 

water heater turned off, carefully remove anode rod and dry out 

bushing(s).

* Applies to models with powered anode option.

 

CHANGE

 

BACK 

ADVANCED

No Anode Voltage

Alert:

Alert occurred 2 mins ago

No voltage detected from

Powered Anode(s).

Call a service professional:

Your Company Name Here

(press [DOWN] for more....)