628661 RV Refrigerator Power Circuit Board | Dometic & Norcold Replacement

628661 RV Refrigerator Power Circuit Board – Dometic & Norcold Replacement

The power circuit board is the brain of your RV refrigerator, managing 12V DC and 120V AC power distribution, cooling mode switching (gas vs. electric), gas ignition control, and temperature regulation. When this board fails, your fridge may stop cooling, fail to switch between gas and electric modes, or display error codes.

This 628661 replacement power circuit board is designed as a direct plug-and-play replacement for Dometic and Norcold RV refrigerator control boards. No programming required — simply remove the old board and install the new one.

Compatibility

• Dometic RM2652, RM2852, RM3662, RM3862 refrigerators
• Dometic NDR1062, NDR1292, NXR series
• Norcold 628661, 628662, 628663 board numbers
• Norcold N611, N811, N1095 series refrigerators
• Most 2-way (gas/electric) and 3-way (gas/electric/DC) RV refrigerators

Specifications

Installation Guide

1. Safety first: Disconnect 12V power at the battery. Unplug 120V shore power. Turn off propane supply.
2. Access the board: Remove the refrigerator exterior access panel (vent cover). Locate the control board, typically mounted on the rear of the cooling unit behind a plastic cover.
3. Document connections: Take a photo of the wire connections before disconnecting. Label wires if needed.
4. Disconnect wires: Unplug the wire harness connectors from the old board. Note the position of each connector.
5. Remove old board: Unscrew the 4 mounting screws holding the board to the refrigerator frame.
6. Install new board: Mount the new 628661 board in the same position. Secure with the 4 mounting screws.
7. Reconnect wires: Plug all wire harness connectors into the corresponding positions on the new board (refer to your photo).
8. Test operation: Reconnect 12V power and 120V shore power. Turn on the refrigerator. Verify it cools in both gas and electric modes. Check for proper temperature regulation.

Common Symptoms of a Bad Power Board

• Refrigerator not cooling in any mode
• Works on gas but not electric (or vice versa)
• No display or control panel lights
• Gas burner won’t ignite or won’t stay lit
• Error codes on display (check your manual for code meanings)
• Intermittent cooling — works sometimes, not others
• Clicking or buzzing sounds from the rear of the fridge

Frequently Asked Questions

Q: How do I know if my board number is 628661?

A: The board number is typically printed on a sticker on the board itself, usually in the corner. Remove the refrigerator vent cover and look at the control board. If you see 628661, 628662, or 628663, this replacement board is compatible. If you’re unsure, contact us with your refrigerator model number.

Q: Do I need to program the new board?

A: No. This 628661 replacement board comes pre-programmed and ready to use. Simply install it and connect the wires — no programming or calibration required. The board automatically detects your refrigerator configuration.

Q: What if my board number is different?

A: This board replaces 628661, 628662, and 628663. If your board has a different number, contact our technical team with your refrigerator model and board number. We may have a compatible replacement available.

Q: Can I install this myself?

A: Yes, installation is straightforward for anyone comfortable with basic DIY. The board is plug-and-play with no wiring modifications needed. The entire process typically takes 20-30 minutes. Just remember to disconnect power before starting.

Related Products

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• Coleman Mach 15 RV AC Controller — Replacement controller for Coleman Mach air conditioners
• Parallax 45RU Converter/Charger — 45A RV power converter and battery charger

Not sure if this 628661 board fits your refrigerator? Contact our technical team with your model number and we’ll confirm compatibility. Free shipping and duties included on all orders.