When your Dometic RV refrigerator stops cooling on AC power or fails to switch modes correctly, the power module circuit board is often the culprit. This genuine Dometic replacement board -- part number 3851331011 -- restores proper AC-mode operation in compatible DM and RM series refrigerators, getting your rig back on the road without a costly service call.
The power module circuit board manages 120V AC heating element operation in Dometic absorption refrigerators. When this board fails, the refrigerator may not cool on shore power or generator, may blow fuses repeatedly, or may show no response on the AC mode setting. Replacing the board is a common DIY fix that avoids the expense of replacing the entire refrigerator or paying a dealer for diagnostics.
Part number 3851331011 is a direct OEM-specification replacement designed specifically for the DMR702, RM1350, RM3762, and RM3962 model refrigerators. It plugs into the existing wiring harness using the factory connector layout, making installation straightforward for anyone comfortable working with RV appliances.
Engineered to Dometic factory specifications for DMR702, RM1350, RM3762, and RM3962 models. No adapter harness or modification required.
Manages 120V AC heating element operation in Dometic 2-way and 3-way absorption refrigerators for reliable shore power and generator cooling.
Backed by Dometic's limited 90-day manufacturer warranty for added peace of mind on a critical appliance component.
Uses the factory wiring connector layout. A common repair for RV owners experienced with appliance troubleshooting and basic electrical work.
Absorption refrigerators rely on a heating element -- powered by either 120V AC or propane -- to drive the cooling cycle. The power module board controls and monitors the AC heating circuit. Common symptoms of a failed board include:
Before replacing the board, verify that the 120V AC supply is present at the refrigerator's junction box and that the heating element itself tests within specification. A failed heating element can damage a new board if left unaddressed.
This power module circuit board is confirmed to fit the following Dometic refrigerator models:
If your model number is not listed above, verify compatibility using your refrigerator's model and serial number tag before ordering. The tag is typically located inside the refrigerator compartment or on the exterior access panel behind the rig.