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Error code reference

Electrolux Oven Error Code Eotd

High temperature on drain (NM8)

Electrolux codesElectrolux oven codes

High temperature on drain (NM8) - warning, activation at 100°C. Possible lack of water in the drain system.

First step from the service manual

Cool down NM8; pour some water on the bottom cavity filter.

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

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What Eotd means on a Electrolux oven

The Eotd error code on an Electrolux oven indicates a high-temperature warning on the drain thermistor, identified as sensor NM8. This warning activates when the NM8 sensor detects a temperature at or above 100°C in the drain system. The drain system on steam-capable ovens relies on water flowing through the drain path to regulate temperature and carry condensate away from the cavity. When water is absent or insufficient in this area, heat builds up rapidly and triggers the Eotd warning before any damage occurs to internal components.

The primary function of NM8 is to monitor thermal conditions at the drain. Under normal operation, water present in the drain system keeps temperatures well below the 100°C activation threshold. If the oven runs a steam or cooking cycle without adequate water in the bottom cavity, or if the drain path becomes blocked or dry, the thermistor will register elevated temperatures and issue this warning. It is classified as a warning rather than a hard fault, meaning the oven may still be operational but requires attention before continuing use.

The first corrective action is to allow NM8 to cool down and then pour water onto the bottom cavity filter to reintroduce moisture into the drain system. This addresses the most immediate cause of the warning. If the error persists after the cavity is cooled and water is added, the drain path may be obstructed, the water supply to the system may be interrupted, or the NM8 sensor itself may require inspection.

Source: manufacturer service documentation.

Common causes of Eotd

  1. 01

    Insufficient water in the drain system

    Wiring / connection

    The most frequent trigger for Eotd is a dry or near-dry drain area during a cooking or steam cycle. Without water present, heat accumulates at the drain and the NM8 sensor reaches the 100°C threshold quickly.

  2. 02

    Blocked or clogged bottom cavity filter

    Wiring / connection

    A blocked filter restricts water flow through the drain path, causing localized overheating at the NM8 sensor location. Inspect and clean the bottom cavity filter for food debris or mineral buildup.

  3. 03

    Water supply interruption

    Wiring / connection

    If the oven is connected to a water supply line for steam functions, a closed valve, kinked hose, or low water pressure can prevent water from reaching the drain system during operation.

  4. 04

    Faulty NM8 drain thermistor

    Part replacement

    If the NM8 sensor is reading incorrectly due to internal failure, it may report temperatures at or above 100°C even when actual drain temperatures are normal. This is identified after ruling out the water-related causes above.

  5. 05

    Drain system blockage or scale buildup

    Wiring / connection

    Mineral scale from hard water or debris accumulation in the drain channel can restrict water movement, causing heat to concentrate near the NM8 sensor. Descaling the drain system may be required.

See the test procedure for each cause

Frequently asked questions about Eotd

What does Eotd mean on a Electrolux oven?
Eotd is a high-temperature warning from the drain thermistor sensor NM8, which activates when that sensor detects 100°C or higher at the drain location. It indicates that the drain system is too hot, most commonly because there is not enough water in the bottom cavity. The code is a warning rather than a lockout fault, so addressing the water issue promptly can resolve it before further problems develop.
How do I fix the Eotd error on my Electrolux oven?
Start by turning off the oven and allowing the NM8 sensor and drain area to cool completely. Once cooled, pour a small amount of water over the bottom cavity filter to restore moisture to the drain system. Check that the bottom cavity filter is clean and free of debris, and verify that any connected water supply line is open and unobstructed. If the error returns after these steps, the NM8 thermistor or the drain path itself may need professional inspection.
Is it safe to keep using the oven when the Eotd code appears?
You should stop using the oven when Eotd appears and allow it to cool before continuing. Continuing to operate with a dry or overheated drain area can cause additional stress to components near the drain. Since the code is a warning designed to catch the problem early, addressing it promptly is the safest approach.
Will resetting the oven clear the Eotd error code?
A power reset alone is unlikely to permanently clear the Eotd code if the underlying condition is not resolved. The warning will reappear as long as the NM8 sensor continues to detect high temperatures at the drain. The correct approach is to cool the sensor and add water to the bottom cavity before attempting to resume operation.
How much does it cost to repair an Eotd error on an Electrolux oven?
If the cause is simply a lack of water or a dirty filter, there is no parts cost involved, only the time to clean and refill the system. If the NM8 drain thermistor has failed and requires replacement, parts and labor costs typically range from around 100 to 250 dollars depending on your location and service provider. A drain system descaling service, if mineral buildup is involved, generally falls in a lower cost range and may be combined with a standard service call.

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