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Error code reference

Haier Washer Error Code E8

The dry temperature sensor is short cut or open.

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The dry temperature sensor is short cut or open.

First step from the service manual

Check if the dry temperature sensor is connected properly.

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

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What E8 means on a Haier washer

The E8 error code on a Haier washer indicates a fault with the dry temperature sensor, specifically that the sensor circuit is either short-circuited or open (broken). This sensor monitors the temperature during the drying cycle in washer-dryer combo units. When the control board detects a resistance reading outside the expected range, either too low (short circuit) or infinite (open circuit), it triggers E8 and halts the drying function to prevent overheating or component damage.

The dry temperature sensor is a thermistor-type component whose resistance changes predictably with temperature. A short circuit typically means the sensor's internal resistance has collapsed to near zero, or the wiring has contacted ground or another conductor. An open circuit means the sensor element or its wiring has physically broken, interrupting the signal path entirely. Both conditions produce an invalid reading that the control board cannot interpret as a real temperature value.

The most practical first step is to verify the sensor's electrical connection at both the sensor body and the control board harness. Loose or corroded connectors are a common culprit and can mimic a faulty sensor. If the connector is secure, the sensor itself should be tested for proper resistance and continuity. Damaged wiring along the harness route, such as pinched or frayed insulation, can also cause this fault and should be inspected carefully before replacing the sensor.

Source: manufacturer service documentation.

Common causes of E8

  1. 01

    Loose or disconnected sensor connector

    Wiring / connection

    The wiring harness connector at the dry temperature sensor or at the control board may have come loose, causing an intermittent or complete loss of signal. Inspect both ends of the connector for secure engagement and any signs of corrosion or bent pins.

  2. 02

    Failed dry temperature sensor

    Part replacement

    The thermistor element inside the sensor can fail in either a shorted or open state, producing an out-of-range resistance reading. If the connector is secure and the wiring is intact, the sensor itself likely needs to be replaced.

  3. 03

    Damaged wiring harness

    Part replacement

    Wires running to the dry temperature sensor can become pinched, frayed, or broken due to vibration or routing issues, creating an open or short circuit in the signal path. Inspect the full length of the harness for visible damage or exposed conductors.

  4. 04

    Corroded or burned connector terminals

    Wiring / connection

    Moisture or heat exposure can corrode the connector terminals, increasing resistance to the point where the control board reads an open circuit. Check terminals for discoloration, oxidation, or melting and clean or replace the connector as needed.

  5. 05

    Faulty control board

    Part replacement

    If the sensor, wiring, and connectors all test correctly, the control board's sensor input circuit may have failed, causing it to misread valid signals as a fault. This is the least likely cause and should only be considered after all other components are ruled out.

See the test procedure for each cause

Frequently asked questions about E8

What does E8 mean on a Haier washer?
E8 on a Haier washer indicates that the dry temperature sensor circuit is either short-circuited or open. This sensor monitors temperature during the drying cycle, and the control board has detected a reading that falls outside the valid range. The machine will suspend drying operation until the fault is resolved.
Can I fix the E8 error myself?
In many cases, yes. Start by unplugging the machine and checking that the dry temperature sensor's wiring connector is firmly seated at both the sensor and the control board. If the connection is secure, the sensor or wiring harness may need to be tested and potentially replaced, which is a repair many experienced DIYers can complete with basic tools.
Is it safe to keep using my Haier washer with an E8 error?
The washing function may still operate, but the drying cycle will not work correctly with an active E8 fault. Attempting to run the dryer without a functioning temperature sensor could risk overheating. It is best to resolve the fault before using the drying function again.
How much does it cost to repair an E8 error on a Haier washer?
If the fix is simply reseating a loose connector, there is no parts cost involved. Replacing the dry temperature sensor typically runs in the range of $15 to $50 for the part, while professional labor can add $75 to $150 or more depending on your location and service provider.
Will resetting my Haier washer clear the E8 error code?
A power reset, unplugging the unit for several minutes, may temporarily clear the error code, but E8 will return if the underlying sensor or wiring fault has not been corrected. A reset does not repair a broken or shorted sensor, so the root cause must be addressed to permanently resolve the fault.

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