SERVICE PROCEDURE D24-IV

Control Board Replacement

DANGER

120 volt exposure. To avoid personal injury, unplug while performing this procedure.

Control board replacement

Step 2: Unplug wire connections from board.

Step 1: Disconnect Power

23

24

Depress

plasticWire connections tabs

Step 3: To remove board, tilt control panel to the right and slide control hook tabs from slots in control panel.

25

Slots in control panel

Unhook tabs from control panel slots

To remove lower sensor

Remove clip, pull sensor out.

26

Remove clip

Pull out sensor

IMPORTANT

When replacing lower sensor, make sure sensor is fully inserted into the well and securely held by the clip on the well groove. (see photo 25)

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Bradford-White Corp D-38T-155 service manual Control Board Replacement, Control board replacement, To remove lower sensor