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Error code reference

Dacor Range Oven Cooktop Error Code E11

DTF364SIWS Refrigerator

Dacor codesDacor range oven cooktop codes

DTF364SIWS Refrigerator: Joker evaporator sensor error.

First step from the service manual

Open, shorted or disconnected.

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

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  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
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What E11 means on a Dacor range oven cooktop

The E11 error code on the Dacor DTF364SIWS indicates a joker evaporator sensor fault. This sensor monitors the temperature at the evaporator coil, which is a critical point in the refrigeration cycle. The control board uses this data to regulate defrost cycles and cooling performance. When the sensor reading falls outside of the expected range, or when continuity is lost entirely, the board triggers E11 to flag the abnormal condition.

The three primary fault states are an open circuit, a short circuit, or a complete disconnection of the sensor wiring. An open circuit typically means the thermistor element inside the sensor has failed and is no longer conducting. A short circuit means the resistance has collapsed, sending a signal to the board that reads as an impossibly low temperature. A disconnected sensor means the wiring harness has separated from the sensor body or from the control board connector, producing no signal at all.

Diagnosing E11 begins with a physical inspection of the sensor connector and wiring harness for signs of damage, corrosion, or pull-out. If the wiring looks intact, the next step is measuring the sensor resistance with a multimeter and comparing it to the expected value for the ambient temperature. A sensor reading open infinity or near-zero ohms confirms a failed thermistor. If resistance is within spec, the fault may lie in the wiring path between the sensor and the board, or in the board itself.

Source: manufacturer service documentation.

Common causes of E11

  1. 01

    Failed evaporator thermistor

    Part replacement

    The thermistor element inside the joker evaporator sensor burns out or degrades over time, causing an open or shorted reading. Confirm by measuring resistance across the sensor terminals and checking for an open or near-zero value.

  2. 02

    Disconnected sensor connector

    Wiring / connection

    The wiring harness plug at the sensor or at the control board can loosen due to vibration or handling during prior service. Inspect both ends of the sensor circuit for unseated connectors.

  3. 03

    Damaged wiring harness

    Part replacement

    Chafing, pinching, or moisture damage along the sensor wire can cause an intermittent open or short circuit. Visually trace the full length of the harness and check for insulation damage or corrosion at terminals.

  4. 04

    Corroded sensor terminals

    Wiring / connection

    Moisture near the evaporator can corrode the sensor connector pins, increasing resistance in the circuit or breaking continuity entirely. Inspect terminals for green or white oxidation and clean or replace as needed.

  5. 05

    Faulty control board

    Part replacement

    If the sensor and all wiring check out correctly, the control board input circuit for the sensor may have failed. This is the least common cause and should only be suspected after the sensor and harness have been confirmed good.

See the test procedure for each cause

Frequently asked questions about E11

What does E11 mean on a Dacor range, oven, cooktop?
E11 on the Dacor DTF364SIWS indicates a joker evaporator sensor error. The control board has detected that the evaporator temperature sensor circuit is open, shorted, or completely disconnected. This prevents the unit from accurately reading evaporator temperatures, which disrupts normal cooling and defrost operation. The fault must be resolved before the appliance can function correctly.
Can I fix the E11 error myself?
A knowledgeable DIYer can perform basic diagnostics such as checking for a disconnected sensor plug and inspecting the wiring harness for visible damage. If the sensor itself has failed, replacing it is a straightforward repair that involves unplugging the unit, accessing the evaporator compartment, and swapping the thermistor. However, if the fault traces back to the control board, professional repair is recommended.
Is it safe to keep using the appliance while E11 is displayed?
Continuing to operate the unit with an active E11 error is not advisable. Without a functioning evaporator sensor, the control board cannot properly manage the defrost cycle, which can lead to ice buildup, reduced cooling performance, or compressor strain over time. Addressing the fault promptly will prevent secondary damage.
How much does it cost to repair an E11 error?
If only the evaporator sensor needs replacement, parts typically range from $20 to $75 depending on the component. Adding professional labor, total repair costs generally fall between $100 and $250. If the control board is at fault, parts and labor combined can range from $200 to $500 or more.
Will resetting the appliance clear the E11 error code?
A power reset by unplugging the unit for a few minutes may temporarily clear the E11 display, but the code will return if the underlying sensor or wiring fault has not been corrected. A reset is useful for confirming whether the fault is persistent or intermittent, but it does not substitute for diagnosing and repairing the actual cause.

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