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Error code reference

Daewoo Refrigerator Error Code dH

Homebar (Refreshment Center) door switch defective

Daewoo codesDaewoo refrigerator codes

Homebar (Refreshment Center) door switch defective — senses door open for more than 1 minute continuously.

First step from the service manual

Check homebar door switch operation (open and close); function related to door switch sensing is deleted. Error terminates automatically when door switch open/close is sensed.

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

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What dH means on a Daewoo refrigerator

The dH error code on a Daewoo refrigerator indicates a fault with the homebar door switch, also referred to as the Refreshment Center door switch. This switch monitors the open and closed state of the homebar compartment door. When the control system detects that the switch has been in the open (door open) position continuously for more than one minute, it triggers the dH code and simultaneously suspends the door-sensing functions associated with that switch. The error is not a permanent lockout; it resolves automatically once the control system detects a valid open-then-close cycle from the homebar door switch.

The homebar door switch is a small electromechanical component, typically a plunger-style or magnetic reed switch, mounted at the door frame or hinge area of the refreshment center compartment. Its job is to signal the control board whether the homebar door is open or closed, which affects interior lighting and can influence temperature management for that zone. If the switch fails mechanically, becomes misaligned, or its wiring circuit develops a fault such as an open circuit or short, the control board will interpret the condition as a door that has been left open indefinitely.

Common root causes include a physically stuck or damaged switch plunger, corrosion on the switch contacts, a broken or disconnected wiring harness connector leading to the switch, or a door that is slightly out of alignment and no longer depresses the switch actuator fully. In some cases, the door itself may genuinely be left ajar, which is important to rule out first before condemning the switch or wiring. Because the error clears automatically upon detection of a proper switch cycle, verifying the switch mechanically is the most direct first diagnostic step.

Source: manufacturer service documentation.

Common causes of dH

  1. 01

    Homebar door left ajar

    Wiring / connection

    The simplest cause is that the homebar door was not fully closed. Check the compartment door for anything blocking it from seating completely and ensure it closes and latches properly.

  2. 02

    Faulty or stuck door switch

    Part replacement

    The switch plunger may be mechanically stuck in the open position, or the switch contacts may have failed internally. Manually actuating the switch plunger while observing whether the error clears can confirm this fault.

  3. 03

    Damaged or disconnected wiring harness

    Wiring / connection

    A broken wire, loose connector, or open circuit in the wiring between the homebar door switch and the control board will cause the control to see a constant door-open signal. Inspect the harness for pinching, corrosion, or disconnected terminals.

  4. 04

    Door misalignment

    Wiring / connection

    If the homebar door has sagged or shifted out of alignment, the door may not be contacting the switch actuator when closed. Adjusting the door hinges or alignment can resolve this without replacing any electrical components.

  5. 05

    Corroded or dirty switch contacts

    Part replacement

    Moisture or debris on the switch contacts can prevent proper electrical contact even when the plunger is physically actuated. Cleaning the switch contacts or replacing the switch will address this condition.

See the test procedure for each cause

Frequently asked questions about dH

What does dH mean on a Daewoo refrigerator?
The dH code on a Daewoo refrigerator indicates that the homebar, or Refreshment Center, door switch has been detected in the open position continuously for more than one minute. The control board interprets this as a defective or malfunctioning door switch and suspends door-sensing functions for that compartment. The code will clear automatically once the control detects a proper open-and-close cycle from the homebar door switch.
How do I fix the dH error on my Daewoo refrigerator?
Start by checking that the homebar compartment door is fully closed and nothing is blocking it. Then manually open and close the homebar door a few times to see if the error clears on its own. If it does not clear, inspect the door switch for a stuck plunger, damaged contacts, or loose wiring connections. Replacing the switch or repairing the wiring harness will be necessary if a physical component fault is confirmed.
Will resetting the refrigerator clear the dH error code?
A power reset will not permanently resolve the dH error if the underlying switch fault is still present. The code is designed to clear automatically when the control board senses a valid open-and-close cycle from the homebar door switch. If the switch or wiring is defective, the code will return after a reset because the control will again detect a continuous door-open signal.
Is the dH error code on a Daewoo refrigerator a safety concern?
The dH error itself is not a safety hazard, but it does indicate that the homebar compartment door sensor is not functioning correctly. While the error is active, door-sensing functions for that zone are suspended, which may affect interior lighting or temperature monitoring for the homebar area. Addressing the fault promptly helps ensure the compartment is operating as intended.
How much does it cost to repair a dH error on a Daewoo refrigerator?
If the fix is a simple door adjustment or cleaning of the switch contacts, there may be little to no parts cost involved. If the homebar door switch needs replacement, parts typically range from around 10 dollars to 40 dollars depending on availability. Adding professional labor, a repair visit generally costs between 75 dollars and 200 dollars in total, depending on your location and the complexity of access to the switch.

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