is

Symptom

Cause

Solution

Remark

 

 

 

 

Water leakage

Leakage from a water

Tighten the threaded connection

If the leak persists, consult your installation engineer

 

connection (threaded)

 

 

 

 

 

 

 

Condensate leakage

Check that the condensation water discharge is working properly.

 

 

 

Rectify if necessary

 

 

 

 

 

 

Leakage from another

Trace the leak

 

 

nearby water appliance

 

 

 

or pipe segment

 

 

 

 

 

 

 

Leakage from the

Consult the supplier and/or manufacturer

 

 

appliance's tank

 

 

 

 

 

 

Explosive ignition

Incorrect supply

Set the correct supply pressure and/or burner

If ignition is not improved, consult your installation engineer.

 

pressure and/or burner

pressure. (3.11 "Checking the supply pressure and burner

 

 

pressure

pressure")

 

 

 

 

 

 

Contaminated burner

Clean the burner(s) (15.4.2 "Clean the burner(s)")

 

 

 

 

 

 

Contaminated orifice

Clean the orifice(s) (15.4.3 "Clean the orifice(s)")

 

 

 

 

 

Hot water supply

Appliance is turned off

Start the appliance up (9 "Starting and running")

 

insufficient or absent

 

 

 

No supply voltage

1. Check if the isolator is ON.

See the BFC electrical diagram (17 "Appendices")

 

present

2. Check that there is power to the isolator.

If the error persists, consult your installation engineer.

 

 

 

 

 

3. Check whether the ON/OFF switch of the electronic controller is

 

 

 

ON (position I).

 

 

 

4. Check whether there is power to the electrical connector block.

 

 

 

5. The measured voltage must be 230 VAC (-15%, +10%).

 

 

 

 

 

 

Hot water supply is

Reduce hot water consumption and give the appliance time to heat

If there continues to be insufficient hot water, or none at all, consult

 

used up

up.

your installation engineer.

 

 

 

 

 

The controller is in OFF

Switch the controller to the ON mode (11.3 "Switching on the "ON

 

 

mode.

mode"")

 

 

 

 

 

 

Temperature (Tset) is

Adjust (11.4 "Setting the water temperature") temperature (Tset) to

 

 

set too low.

a higher value.

 

Instruction manual BFC

71

Page 71
Image 71
A.O. Smith BFC - 30, BFC - 60 Symptom Cause Solution Remark Water leakage, Explosive ignition, Hot water supply

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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