Bradford White UCG100H199 Installation & Operation Manual page 54

Step 5:
Press the "Select" button for code index #9 to view if there are any code numbers.
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, press Temperature Up button and Select Button for 3 seconds.
idle
Operational
Status

SELECT
idle
Status

SELECT
Exiting Service Mode
Stored Error Code
For Code Index #9
SET

setpoint
°F
Operational
SET
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