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A.O. Smith BTH-120 - Fault and Alert Messages (Cont); Possible Causes - Check;Repair

A.O. Smith BTH-120
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63
FAULT AND ALERT MESSAGES (CONT)


POSSIBLE CAUSES - CHECK/REPAIR DISPLAYED FAULT/ALERT MESSAGE
 


 

 


 
 
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....)
 



 

 

 
 
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....)
 

 

 


 


 


 
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....)
 

 




 

 


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
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 
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
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 



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ADVANCED
No Anode Voltage
Alert:
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No voltage detected from
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