Bradford White EFR-1-60T1206EN Installation & Operating Manual page 55

6. Differential (Display only – shows the differential of the thermostat)
7. Software Version (Display only)
8. Error Code History (Displays if there are present error codes or up to 10 previous error codes). Water Heater Display
will show -- if there are no error codes.
Differential
°F
idle
Operational
Status
SELECT SET
Soft
idle
Operational
Status
SELECT SET
idle
Operational
Status
SELECT SET
55
No current error codes