A.O. Smith 300 Series Instruction Manual page 47

Description/Action
Press "Fault History" from the Main Menu to enter this menu. This
menu contains non adjustable operational information. Use the
Slidebar to navigate the menu.
This menu contains a list of the last nine (9) Fault and Alert
messages with a time stamp. The newest event will replace the
oldest. Faults will clear after 30 days.
Press the Fault to view details for each Fault or Alert message
stored.
Description/Action
Press Fault Occurrence from the Main Menu to enter this menu.
This menu contains non adjustable operational information. Use
the Slidebar to navigate the menu.
This menu contains a running total of how many times each Fault
condition has occurred since the water heater was first installed.
Note: Historical data is stored in the configuration key. If this "key"
is replaced during servicing the historical data will be lost.
The data stored in the new configuration key will no longer
reflect the entire history of the water heater.
Description/Action
Press Restore Factory Defaults from the Main Menu to enter this
menu.
To restore the adjustable user settings to their factory default
settings press "YES." The display will show text confirming the
factory default settings have been restored.
Press NO to exit the Restore Factory Defaults menu.
Fault History
1:
0 days 2 hrs 37 mins ago >
2:
0 days 2 hrs 37 mins ago >
3:
0 days 2 hrs 40 mins ago >
Fault Occurrence
Ignition Failure
ECO
Blocked Intake Air
Blocked Exhaust
External Input
Flame Detect Error
Restore Factory Defaults
Are you sure you want to restore
the system to the factory
defaults?
Ye s
47
Display
Fault History
Blocked Exhaust (A8) >
Hardware Failure (1A) >
Blocked Exhaust (A8) >
BACK
Display
Fault Occurrence
BACK
Display
Restore Defaults
HELP
0 >
0 >
1 >
1 >
1 >
0 >
HELP
No