Bradford White EF-100T-399-3X - Manual (Page 32)

Accessing Service Mode on Control Display
For models with Honeywell Integrated Control
Step 4: Press the “Temperature Down” button to change to the previous code index,
code #9.
SELECT SET
Status
idle
Operational
%
Step 5: Press the “Select” button for code index #9 to view if there are any code
numbers.
SELECT SET
Status
idle
Operational
Step 6: Continue pressing the “Temperature Down” button to change to the next error code index and press “Select” to
view the error code number, if any, for that index number. Continue on to index #1, the oldest error code index. The
water heater display will store up to 10 error codes with the oldest code starting in code index #1 with the most recent
code in code index #10.
Step 7: 10 seconds after the last button press, the Water Heater Display will revert back to the current error code
display. To exit Service Mode, either wait 30 seconds or press Temperature Up button and Select Button for 3 seconds.
SELECT SET
Statu
s
°F
idle
setpoint
Operational
&
%
Exiting Service Mode
32
32