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Error code reference

Dometic Refrigerator Error Code Flashing Red

LP gas flame failure

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What the Flashing Red error code actually means

Your Dometic refrigerator tried to light its propane burner for about 3 minutes and could not get a flame going, so it stopped and turned on the flashing red light as a warning. This usually means there is a problem with your propane supply, like an empty tank, a closed valve, or air in the line, though it can also point to a faulty internal part. Try turning the refrigerator off, waiting a few seconds, and turning it back on to give it another chance to light.

Diagnostic procedure

The full Flashing Red procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Turn the main switch to OFF, wait approximately 5 seconds, then turn back ON to reset the lighting sequence. Check LP gas supply, ensure all gas valves are open, and check for air in supply lines.
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Most common causes of Flashing Red

Ranked by how often they cause this code
  1. 1Interrupted or insufficient LP gas supply
  2. 2Air in the LP gas supply line
  3. 3Clogged or corroded burner jet
  4. 4Faulty or weak igniter
  5. 5Failed gas valve or flame sensor

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Questions people ask about Flashing Red

What does Flashing Red mean on a Dometic refrigerator?
The flashing red light on a Dometic refrigerator indicates an LP gas flame failure. The refrigerator attempted to ignite the propane burner for approximately 3 minutes without successfully establishing a flame, then locked out and activated the fault indicator. This applies to both 1st and 2nd generation Dometic models. The cause can range from a simple gas supply issue to a faulty internal component like the igniter or gas valve.
Is a flashing red light on a Dometic refrigerator a safety concern?
The fault lockout is itself a safety feature, as the refrigerator stops repeated ignition attempts after the allotted window to prevent unburned gas from accumulating. If you smell propane near the unit, ventilate the area immediately and do not attempt to reset or operate the appliance until the source of the leak is identified and resolved. In the absence of a gas odor, the flashing red code is generally a diagnostic indicator rather than an immediate hazard.
How much does it cost to repair a Dometic refrigerator with an LP flame failure error?
Repair costs vary widely depending on the root cause. If the issue is only a gas supply problem or air in the line, there may be no parts cost at all. Replacing a failed igniter typically falls in the range of $30 to $80 in parts, while a gas valve replacement can range from $60 to $150 or more depending on the specific model. Adding labor costs for a service technician can bring total repair costs to $150 to $400 or higher for component-level repairs.
How do I fix the flashing red light on my Dometic refrigerator?
Start by turning the main switch to OFF, waiting approximately 5 seconds, and turning it back ON to reset the ignition sequence. At the same time, verify your LP tank has fuel, confirm all gas supply valves are fully open, and check for air in the supply line if you recently changed tanks. If the fault returns after a confirmed good gas supply, inspect the burner jet for clogs and evaluate the igniter and flame sensor for component failure.
Will resetting the refrigerator clear the flashing red code?
Resetting by cycling the main switch OFF and back ON will clear the lockout and allow the refrigerator to attempt ignition again. However, if the underlying cause such as low gas pressure, a clogged burner, or a failed component is not corrected, the fault will return within the next ignition cycle. The reset is a starting point for diagnosis, not a permanent fix on its own.

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