is

 

 

 

 

 

Code + Description

Cause

Solution

Remark

 

 

 

 

 

 

 

F02 (lock out error)

Defective motor and/or

1.

Check the motor and rotor

See the BFC electrical diagram (17 "Appendices")

 

Fan fails to run at

rotor.

2.

Replace the fan if the motor or rotor is defective.

 

 

 

To have the wiring replaced and a new fan fitted, you must contact

 

 

3.

Reset appliance controller

 

correct speed.

 

your installation engineer

 

 

 

 

 

 

 

 

Damaged wiring

1.

Check the wiring between the fan and the controller.

 

 

 

 

2.

If any wires are damaged, the wiring harness must be replaced.

 

 

 

 

3.

Reset appliance controller

 

 

 

 

 

 

 

 

 

Dirty or blocked fan

1.

Check if the fan is dirty

 

 

 

 

2.

Check that the rotor can rotate freely

 

 

 

 

3.

Reset appliance controller

 

 

 

 

 

 

 

 

 

Because of a drop in

1.

Check the supply voltage, this must be 230 VAC (-15%, +10%).

 

 

 

the supply voltage, the

2.

Reset appliance controller

 

 

 

fan is not running at the

 

 

 

correct speed.

 

 

 

 

 

 

 

 

 

The F02 entries below are applicable solely to appliances that have a 3-phase fan with frequency controller.

 

 

 

 

 

 

 

 

Fun supplying

The live (phase) wires,

1.

Check the wiring between the fan and the frequency controller

See the BFC electrical diagram (17 "Appendices")

 

insufficient pressure

between freq. controller

2.

Rectify the assembly if it is incorrect

To replace the necessary parts, you must contact your installation

 

 

and fan are connected

 

 

 

 

wrong way around

3.

Reset appliance controller

engineer

 

 

 

 

 

 

 

 

Fan speed too low

1.

Check the fan speed

 

 

 

 

2.

If the fan speed is too low, check the settings

 

 

 

 

3.

If the settings are correct, then replace the fan.

 

 

 

 

4.

Modify the settings if incorrect

 

 

 

 

5.

Reset appliance controller

 

 

 

 

 

 

 

 

Instruction manual BFC

74

Page 74
Image 74
A.O. Smith BFC - 60, BFC - 30 service manual Code + Description Cause Solution Remark F02 lock out error

BFC - 30, BFC - 60 specifications

A.O. Smith is a well-regarded name in the water heating industry, known for producing innovative and efficient water heaters. Among their renowned products are the BFC - 60 and BFC - 30 models, which have gained popularity for their performance and reliability.

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In terms of safety, A.O. Smith has incorporated numerous features into the BFC series. Both models come with safety valves and thermostat controls to ensure that water is heated to appropriate temperatures, reducing the risk of scalding and malfunction. Additionally, their design allows for easy installation and maintenance, making them a user-friendly option.

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Overall, the A.O. Smith BFC - 60 and BFC - 30 are exemplary water heating solutions that combine efficiency, durability, and safety. With their advanced features and technologies, they are an excellent choice for anyone in need of reliable hot water, ensuring comfort and satisfaction for years to come.