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Error code reference

Dacor Refrigerator Error Code H

FoodSaver module heater continuity not detected during FoodSaver diagnostic test.

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FoodSaver module heater continuity not detected during FoodSaver diagnostic test.

First step from the service manual

Check heater connections and replace FoodSaver module if heater has no continuity.

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

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What H means on a Dacor refrigerator

The H error code on a Dacor refrigerator indicates that the FoodSaver module heater has failed a continuity check during the FoodSaver diagnostic test. The FoodSaver module is a specialized component designed to help preserve food through controlled atmosphere or sealing functions, and its internal heater is a critical part of that process. During diagnostics, the refrigerator's control system sends a signal through the heater circuit to verify an unbroken electrical path. When continuity is not detected, the control board registers the H fault and halts normal FoodSaver operation.

The most likely causes include an open circuit within the heater element itself, a disconnected or corroded wiring harness connector at the module, or damage to the wiring between the control board and the FoodSaver module. A heater element that has burned out will present infinite resistance on a continuity or ohmmeter test, confirming the fault. Loose or improperly seated connectors are also common culprits, particularly in units that have experienced vibration or have had service work done recently.

Diagnosis begins with a physical inspection of all wiring connections leading to the FoodSaver module. If connections are secure and properly seated, the heater element should be tested directly for continuity using a multimeter. No continuity across the heater terminals confirms an open heater, and replacement of the entire FoodSaver module is the recommended repair. Attempting to repair the heater element internally is not practical, as the module is a self-contained assembly.

Source: manufacturer service documentation.

Common causes of H

  1. 01

    Failed FoodSaver module heater element

    Part replacement

    The heater element inside the FoodSaver module has burned out, creating an open circuit. This will show as no continuity when tested with a multimeter across the heater terminals.

  2. 02

    Disconnected wiring harness connector

    Wiring / connection

    The connector linking the FoodSaver module heater to the wiring harness may have come loose or been inadvertently unplugged. Inspect all connectors at the module and reseat any that are not fully engaged.

  3. 03

    Corroded or damaged connector terminals

    Wiring / connection

    Moisture or age can cause corrosion on the heater wiring terminals, increasing resistance until continuity is effectively lost. Inspect terminals visually and clean or replace as needed.

  4. 04

    Damaged wiring between control board and module

    Part replacement

    A wire in the harness running from the control board to the FoodSaver module may be broken or chafed, interrupting the heater circuit. Trace the harness carefully for any visible damage or pinch points.

  5. 05

    Faulty control board heater output

    Part replacement

    If the heater element and all wiring check out correctly, the control board may not be supplying the proper signal or power to the heater circuit. This is the least likely cause and should be investigated only after all other components are confirmed good.

See the test procedure for each cause

Frequently asked questions about H

What does H mean on a Dacor refrigerator?
The H error code on a Dacor refrigerator means that the FoodSaver module heater failed a continuity check during the FoodSaver diagnostic test. The control system detected an open or broken circuit in the heater element, which prevents the FoodSaver function from operating. The issue is typically traced to a failed heater element, a loose connector, or damaged wiring at the module.
How do I fix the H error code on my Dacor refrigerator?
Start by inspecting all wiring connections at the FoodSaver module and reseating any loose connectors. If connections are secure, use a multimeter to test the heater element for continuity. If the heater shows no continuity, the FoodSaver module will need to be replaced, as the heater is not a separately serviceable component within the module.
Will resetting my Dacor refrigerator clear the H error code?
A reset may temporarily clear the H error code from the display, but the fault will return as soon as the refrigerator runs its FoodSaver diagnostic again if the underlying heater problem has not been corrected. The only way to permanently resolve the error is to repair or replace the faulty component causing the loss of heater continuity.
Is the H error code on a Dacor refrigerator a safety concern?
The H error code relates specifically to the FoodSaver module heater circuit and does not affect the main refrigeration or freezer cooling functions. Your food should remain safe while this error is present. However, the FoodSaver feature will not operate correctly until the fault is resolved, so it is best to address the issue promptly.
How much does it cost to fix the H error code on a Dacor refrigerator?
If the repair requires only reseating a connector, there may be little to no parts cost involved, though a service call fee will typically apply. If the FoodSaver module itself needs to be replaced, parts and labor costs combined generally range from several hundred dollars to over five hundred dollars depending on your location and the specific model. Getting a quote from a qualified technician before authorizing the repair is recommended.

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