A.O. Smith BTH 300 - CURRENT FAULT; Blocked Exhaust; FAULT HISTORY; Fault History

50
CURRENT FAULT
DESCRIPTION/ACTION DISPLAY
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ADVANCEDBACK
0 days 0 hr 0 min ago
Error Code: A8-1201
Blocked Exhaust
Restriction in exhaust pipe.
Check exhaust pipe and
termination for blockage.
Press the Advanced button for
FAULT HISTORY
DESCRIPTION/ACTION DISPLAY
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Fault History
HELPBACK
1: Upper Temp Probe (Open) (47) >
0 days 2 hrs 37 mins ago
2: Hardware Failure (1A) >
0 days 2 hrs 37 mins ago
3: Upper Temp Probe (Open) (47) >
0 days 2 hrs 40 mins ago
FAULT OCCURRENCE
DESCRIPTION/ACTION DISPLAY
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Fault Occurrence
HELPBACK
Ignition Failure 0 >
ECO 0
Low Gas Pressure 1
Blocked Intake Air 1
Blocked Exhaust 1
External Input 0
RESTORE FACTORY DEFAULTS
DESCRIPTION/ACTION DISPLAY
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Restore Defaults
Are you sure you want to restore
the system to the factory
defaults?