Fault And Alert Messages (cont)

Call the technical support phone number listed on the back cover for further technical assistance or to locate a qualified service agent in your area.

Possible Causes - Check/Repair

Displayed Fault/Alert Message

• The control system has detected the Blower Prover Switch

 

 

 

 

 

Blower Prover Failure

 

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

 

a heating cycle.

 

Fault occurred 2 mins ago

 

 

 

• Pinched/shorted Blower Prover Switch wiring.

The blower prover switch is

 

 

 

 

closed out of sequence.

 

 

 

• 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.

Call a service professional:

 

 

• Excessive negative air pressure in the installed space.

Your Company Name Here

 

 

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

 

 

 

 

 

 

CHANGE

BACK

ADVANCED

 

 

 

 

 

 

 

 

 

 

 

 

 

• The control system has detected the Blower Prover Switch

 

 

 

 

 

Blower Prover Open

 

contacts are remaining open after the control system has

 

energized the Combustion Blower.

 

Fault occurred 2 mins ago

 

 

 

 

 

 

 

 

• Loose or open wiring to the Blower Prover Switch.

The blower prover switch remains

 

 

 

 

open after the blower has been

 

 

• Blower Prover Switch air sensing tube disconnected, kinked, filed

 

 

energized.

 

 

 

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

 

 

 

 

 

• Combustion Blower is not running when energized.

Call a service professional:

 

 

• Loose or open wiring to Combustion Blower.

Your Company Name Here

 

 

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

 

 

 

 

 

 

CHANGE

BACK

ADVANCED

 

 

 

 

 

 

 

 

 

 

 

 

 

• The control system has detected the Blocked Intake Air Switch

 

 

 

 

 

Blocked Air Intake

 

contacts are open.

 

• Loose or open wiring to the Blocked Intake Air Switch.

 

Fault occurred 2 mins ago

 

 

 

The combustion air intake is

 

 

• Excessive equivalent pipe length, exceeded the maximum number

 

 

restricted.

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

system.

 

 

 

 

 

• Excessive negative air pressure in the installed space.

Call a service professional:

 

 

 

Your Company Name Here

 

 

 

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

 

 

 

 

 

 

CHANGE

BACK

ADVANCED

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

Energy Cut Out (ECO)

contacts are open.

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

 

Fault occurred 2 mins ago

 

 

 

Tank temperature is excessive.

 

 

temperature rise to prevent excessive water temperature in the

 

 

The water heater has been

 

 

storage tank. The ECO switch is inside the Temperature Probe

 

 

disabled.

 

 

 

(two red wires).

 

 

 

 

 

 

 

 

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

Call a service professional:

 

 

- two red wires.

Your Company Name Here

 

 

 

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

 

 

 

 

 

CHANGE BACK ADVANCED

55

Page 54 Page 56
Page 55
Image 55
A.O. Smith 100 Power Vent DV Series 120, 317443-000 instruction manual Blower Prover Failure
Page 54 Page 56

100 Power Vent DV Series 120, 317443-000 specifications

The A.O. Smith 317443-000,100 Power Vent DV Series 120 is an advanced water heating solution designed to enhance efficiency and performance for residential applications. As part of A.O. Smith's renowned lineup, this model embodies the company's commitment to innovation and energy conservation.

One of the main features of the DV Series 120 is its power venting capability. This technology allows for flexible installation options, as it can vent vertically or horizontally, accommodating various home configurations. It utilizes a fan-assisted venting system, which efficiently expels exhaust gases, ensuring safe operation even in tight spaces.

The unit's energy efficiency is another standout characteristic. Equipped with a high-efficiency gas burner, the DV Series 120 optimizes fuel consumption, resulting in lower utility bills while providing reliable hot water when needed. Its impressive Energy Factor (EF) ratings make it an environmentally friendly choice, aligning with modern standards for green building practices.

Durability is also a significant focus of the A.O. Smith 317443-000,100 Power Vent model. Constructed with a glass-lined tank and a robust anode rod, this water heater is designed to resist corrosion and extend its lifespan. This construction enhances performance reliability while minimizing maintenance needs, making it a smart investment for homeowners.

Smart technologies are integrated into the DV Series 120, featuring an intelligent control system that provides various operational insights. The built-in diagnostic features allow homeowners to monitor performance and identify potential issues early, reducing the likelihood of unexpected failures. This control system can also enable more precise temperature management, enhancing both comfort and efficiency.

Safety is paramount in the design of the A.O. Smith 317443-000,100. The unit comes equipped with safety features such as a built-in flame rollout sensor and an automatic shut-off system to protect against potential hazards. These features ensure peace of mind for users, allowing them to confidently rely on their hot water supply.

In summary, the A.O. Smith 317443-000,100 Power Vent DV Series 120 stands out as a high-efficiency water heating solution, combining innovative venting technologies, durability, smart features, and safety mechanisms. This model is an ideal choice for homeowners seeking a reliable and efficient hot water system that meets modern energy standards.
Top Page Image Contents