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Error code reference

Dometic Refrigerator Error Code Orange (continuous)

Gas ignition failure indicator on 3rd generation models (RM3601/RM3801) and 2-way models (RM2802)

Dometic codesDometic refrigerator codes

Gas ignition failure indicator on 3rd generation models (RM3601/RM3801) and 2-way models (RM2802) - indicates the system failed to light on LP gas.

First step from the service manual

Turn main switch OFF, wait 5 seconds, then turn back ON to reset. Check gas supply and all gas valves.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What Orange (continuous) means on a Dometic refrigerator

The continuous orange indicator light on Dometic 3rd generation models (RM3601 and RM3801) and 2-way models (RM2802) signals a gas ignition failure. This means the refrigerator attempted to light the LP gas burner and was unable to complete a successful ignition cycle. The control board monitors the ignition sequence and, after a set number of failed attempts, locks out the igniter and illuminates the orange fault indicator to alert the user that the unit has stopped trying to run on gas.

The LP gas system on these Dometic models relies on several components working together: an adequate gas supply, open and functioning gas valves, a clean burner assembly, a working igniter electrode, and a flame sensor that confirms combustion occurred. If any one of these elements fails or is out of spec, the ignition sequence cannot complete successfully. Common points of failure include a depleted or closed LP tank, debris or blockage in the burner jet, a fouled or mispositioned igniter electrode, or a faulty gas valve that is not opening under command from the control board.

Because this fault affects the gas operating mode only, the refrigerator may still function correctly on 120V AC or 12V DC power if those modes are available on the unit. Diagnosing the root cause requires systematically verifying gas pressure, valve operation, burner condition, electrode gap and condition, and the control board output signal to the gas valve. A reset by cycling the main switch off and back on will clear the lockout and allow the unit to attempt ignition again, which can help confirm whether the fault is intermittent or persistent.

Source: manufacturer service documentation.

Common causes of Orange (continuous)

  1. 01

    Empty or low LP gas supply

    Wiring / connection

    If the propane tank is empty, nearly empty, or the tank valve is closed, no gas reaches the burner and ignition cannot occur. Check the tank level and confirm the valve is fully open before any further diagnosis.

  2. 02

    Closed or partially closed gas valve in the line

    Wiring / connection

    Any inline shutoff valve between the LP tank and the refrigerator that is closed or only partially open will prevent adequate gas flow. Trace the gas line and verify all valves along the run are fully open.

  3. 03

    Blocked or dirty burner jet

    Wiring / connection

    Insects, debris, or carbon buildup can clog the small orifice in the burner jet, restricting gas flow below what is needed for ignition. Inspecting and carefully cleaning the burner assembly often resolves this fault.

  4. 04

    Fouled or mispositioned igniter electrode

    Part replacement

    The electrode tip must be positioned correctly relative to the burner and must be free of carbon deposits to generate a reliable spark. A cracked ceramic insulator, heavy carbon fouling, or an incorrect electrode gap can prevent ignition entirely.

  5. 05

    Faulty gas valve not opening

    Part replacement

    The solenoid-operated gas valve receives a command signal from the control board during the ignition sequence. If the valve coil has failed or the valve is mechanically stuck, gas will not flow even with a good supply and a working igniter.

See the test procedure for each cause

Frequently asked questions about Orange (continuous)

What does Orange (continuous) mean on a Dometic refrigerator?
A continuous orange light on Dometic RM3601, RM3801, and RM2802 models indicates that the refrigerator attempted to ignite on LP gas and failed. The control system ran through its ignition sequence, could not confirm a flame, and then locked out the gas mode. The unit will not attempt to run on propane again until the fault is cleared by resetting the main switch.
Will resetting the refrigerator clear the orange light?
Yes, turning the main switch OFF, waiting 5 seconds, and turning it back ON will reset the ignition lockout and allow the unit to attempt another ignition cycle. If the underlying problem, such as low gas, a closed valve, or a dirty burner, has not been resolved, the orange light will return after another failed ignition attempt. A reset is a useful diagnostic step to confirm whether the fault is persistent or was a one-time event.
How do I fix the orange continuous light on my Dometic RV fridge?
Start by confirming the propane tank has fuel and that all gas valves in the supply line are fully open. Next, cycle the main switch off and on to reset the lockout and observe whether the unit ignites. If it faults again, inspect the burner assembly for debris or blockage and check the igniter electrode for carbon fouling or damage. If the burner and electrode are in good condition, the gas valve or control board may need further testing by a qualified technician.
Is the orange light on a Dometic refrigerator a safety concern?
The orange indicator itself is a safety feature: it means the control system detected a failed ignition and shut down the gas mode rather than continuing to release unburned propane. If you smell gas near the refrigerator or anywhere in the vehicle, turn off the LP supply immediately and ventilate the area before performing any diagnostics. In the absence of a gas smell, the situation is not immediately dangerous, but the refrigerator will not cool on propane until the fault is resolved.
How much does it cost to repair a Dometic refrigerator showing a gas ignition fault?
Repair costs vary widely depending on the root cause. Cleaning a blocked burner jet or adjusting an electrode position is largely a labor cost and could range from around $50 to $150 if done by a technician. Replacing a faulty igniter electrode or gas valve typically runs between $100 and $350 in parts and labor combined. If the control board is the source of the fault, expect costs in the $200 to $500 range or higher depending on parts availability and service rates in your area.

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