Dometic Circuit Board 4450020229 (fits most Americana models)
Dometic Refrigerator D-US Version Lower Control Board. It comes with an integrated igniter for the propane functions. The lower control board is the main circuit board on the refrigerator and controls the ignition and operation of the propane and the power to the AC element. The circuit board on a Dometic refrigerator is the brains of the refrigerator and sends voltage where it needs to go for proper cooling.
J2: To interior light / climate control, J4: Positive 12V DC from terminal block, J5: AC line voltage (black), J6: AC neutral line (white), J7: AC neutral out to AC heater, J8: AC line out to AC heater Switched side, J10: Negative to Chassis ground
Not compatible with all refrigerators. Review the model number on your control board to verify if it is compatible.
**Only works with current 2 way eyebrow board 4450007133 & current 3 way eyebrow board 4450007134**
Troubleshooting
Potential problems that a new power board could solve:
- Refrigerator not sensing AC power
- Refrigerator not sensing AC heating element
- Refrigerator not sensing a flame
- Refrigerator not powering on
- Refrigerator incapable of resetting
- Intermittent issues
- SR code display
- If any electrical burn marks are present anywhere on front or back of power board, you should replace it.
Installation
Time: 30 minutes or less
Tools:
- Ratchet set
- Screwdriver
Steps:
- Turn your battery switch to OFF
- Remove power board cover
- Take a picture of the board before disconnecting any wires
- Disconnect all wires and remove defective board
- Place new board on old board cover base and connect wires
- Before placing board cover on, turn battery switch ON and power up refrigerator to verify everything is connected and that there are no faults present. If everything is working, put cover back on.
