Bradford White EF-100T-399-3X - Manual (Page 67)

Control Board Replacement
(Honeywell Integrated Control w/ Direct Spark Ignition)
Step 1. Position main power switch to “OFF”
Step 2. Disconnect (unplug) water heater from 120
volt power source.
Step 3. Un-latch and remove top surround cover
from top of water heater.
Step 4. Locate control board.
WARNING
120 volt potential exposure. Isolate the
appliance and reconfirm power is
disconnected using a multi-meter.
Step 5. Carefully disconnect all wire
connections from control board.
Note: It may be necessary to
identify wires for
proper re-connection.
Step 6. Depress the plastic tabs on the blower side of the
control board first.
Step 7. Tilt the control panel and slide control hook tabs from
slots in the control panel (see photo at right).
Step 8. Replace control board and all wire connections.
Step 9. Restore 120 volt power supply to water
heater and confirm proper operation following
the lighting instructions on the lighting
instruction label or the lighting instruction
located in the installation and operating
instruction manual.
Step 10. Replace surround cover on top of water heater.
Blower
Unclip blower
side first
Unclip this
side second
Control Board
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