Bradford White EF-100T-399-3X - Manual (Page 31)

Accessing Service Mode on Control Display
For models with Honeywell Integrated Control
To view previous error codes:
Step 1: In “Service Mode press the “Select” button until the next display after the “Software Version”. If there are no
current error codes, the display will show -- .
SELECT SET
Status
°F
idle
Operational
Step 2: Press the “Temperature Down” button to select the error code index, starting with the most recent error
code “10”.
SELECT SET
Status
idle
Operational
%
Step 3: Press the “Select” button to view the error code for “code 10”. If there is a number displayed, note what the number
is. The label next to the water heater display will identify the code number. If no number is displayed with only a “--“ in
the water heater display, then there has not been an error code for error code index 10.
SELECT SET
Status
idle
Operational
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