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Error code reference

U-Line Refrigerator Error Code dr

Door has been left open for more than 5 minutes.

U-Line codesU-Line refrigerator codes

Door has been left open for more than 5 minutes.

First step from the service manual

Close door to silence alert and reset.

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

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What dr means on a U-Line refrigerator

The dr error code on a U-Line refrigerator is a door ajar alert that activates when the door has remained open for more than 5 continuous minutes. This is a time-based alert rather than a sensor fault, meaning the unit is functioning as designed and is notifying the user of a condition that could compromise food safety and unit efficiency. The refrigerator's control board monitors the door switch signal and triggers the dr alert when the open-door state exceeds the 5-minute threshold.

The door switch is the primary component involved in this alert. When the door is open, the switch sends a continuous signal to the control board. If that signal persists beyond the preset 5-minute window, the board activates the dr alert and typically sounds an audible alarm. The alert is designed to prevent temperature rise inside the compartment, reduce compressor strain, and minimize condensation and frost buildup that result from prolonged warm air intrusion.

Common triggers include a door left open accidentally, a door that is not fully latched due to a gasket obstruction or overfilled shelving, a worn or damaged door gasket that prevents a proper seal, or a faulty door switch that is stuck in the open position even when the door is physically closed. Closing the door fully is the first step to silence the alert and reset the code. If the error returns immediately after closing the door, the door switch or gasket should be inspected.

Source: manufacturer service documentation.

Common causes of dr

  1. 01

    Door left open accidentally

    Wiring / connection

    The most frequent cause is simply a door that was not fully closed after use. Closing the door completely will silence the alert and reset the code.

  2. 02

    Door not fully latching

    Wiring / connection

    Overfilled shelves, a container sticking out, or an item blocking the door frame can prevent a full close. Inspect the door and interior for any obstructions.

  3. 03

    Worn or damaged door gasket

    Part replacement

    A gasket that has cracked, hardened, or lost its shape may not create a proper seal, causing the door switch to register the door as open even when it appears closed. Inspect the gasket around the full perimeter for gaps or deformation.

  4. 04

    Faulty door switch

    Part replacement

    If the door switch is stuck in the open position or has failed electrically, the control board will receive a continuous open-door signal regardless of the actual door position. This will cause the dr alert to return immediately after closing the door.

  5. 05

    Unit not level

    Wiring / connection

    A refrigerator that is not properly leveled may have a door that swings open on its own rather than staying closed. Checking and adjusting the leveling feet can resolve this.

See the test procedure for each cause

Frequently asked questions about dr

What does dr mean on a U-Line refrigerator?
The dr code means the refrigerator door has been left open for more than 5 minutes. The control board monitors the door switch and triggers this alert along with an audible alarm when the door remains open past the preset time threshold. Closing the door will silence the alert and reset the code.
How do I fix the dr error on my U-Line refrigerator?
Start by firmly closing the door and confirming it is fully latched. If the alert clears, no further action is needed. If the dr code returns immediately after closing, inspect the door gasket for damage, check for any items blocking the door, and test the door switch for proper operation. A faulty switch or gasket may need to be replaced.
Will resetting my U-Line refrigerator clear the dr code?
Closing the door is the reset action for this alert. The dr code is not a persistent fault code stored in the system, it is an active condition alert that clears once the door is detected as closed by the door switch. If the underlying cause is a faulty door switch, the code will return until that component is repaired.
Is the dr error on a U-Line refrigerator a safety concern?
Yes, a door left open for an extended period allows warm air to enter, raising the internal temperature and potentially moving food into an unsafe temperature range. Addressing the alert quickly helps protect food quality and safety. Prolonged open-door conditions also force the compressor to work harder, which can shorten component life.
How much does it cost to repair a U-Line refrigerator showing the dr code?
If the cause is simply a door left open or an obstruction, there is no repair cost. A replacement door gasket typically costs between $30 and $80 for parts, with additional labor costs if a technician is hired. A door switch replacement generally falls in the $20 to $60 range for the part, plus labor if applicable.

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