Dishwasher Siemens stopped heating the water or gives an error E09/E15? Most likely, a burnt heating element (heater) is to blame. Replacing this part will cost 3–5 thousand rubles at a service center, but if you have the tools and patience, you can do it yourself in 1–2 hours. The main thing is to take your time and follow a clear algorithm so as not to damage the seals or electronics.

In this article we will analyze step-by-step replacement of the heating element on popular models Siemens (SN25M, SR65T, SK75M55 etc.), we’ll tell you how to diagnose a breakdown with a multimeter, select original spare parts and avoid common mistakes. We will also give compatibility table for heating elements for different series and give advice on extending the service life of the new heater.

⚠️ Important: If your car is under warranty, repairing it yourself will void it. In this case, contact an authorized service BSH (manufacturer Siemens). For models older than 5 years, replacing the heating element with your own hands is economically justified - the part costs from 1,200 to 2,500 rubles, and the work of a master will cost the same amount.

📊 What is your Siemens dishwasher model?
SN25M/SN65M (narrow)
SR65T/SR66T (full size)
SK75M/SK76M (compact)
Other model
I don't know the model

1. Signs of a malfunctioning heating element in the dishwasher Siemens

The heating element (tubular electric heater) in the dishwasher is responsible for heating the water to 60–70°C. When it breaks down, the machine either does not heat the water at all or takes too long to do so. Here are the key symptoms that indicate a heater problem:

🔹 Errors on the display: Codes E09 (no heating), E15 (overheating or open circuit of the heating element), E24 (problems with the temperature sensor, which often fails along with the heating element). In models without a screen, a malfunction is indicated by blinking indicators END and START (3 short + 1 long beep).

🔹 Cold dishes after washing: If, 20–30 minutes after starting the program, the bottom of the machine remains cold and the dishes are not washed off from grease, this is a direct sign of a non-working heating element. You can check by touching the bottom of the case with your hand (be careful not to get burned!).

🔹 Extended program time: The washing cycle is delayed by 1.5–2 hours, as the machine tries to compensate for the lack of heating by working longer.

🔹 Triggering of a machine or RCD: If the heating element breaks down, a current leak may occur on the housing, which knocks out the plugs or triggers the protection. This is a dangerous symptom - unplug the machine immediately!

⚠️ Attention: If the dishwasher Siemens gives an error E25 (problems with the filling system) or E22 (does not drain water), the reason lies not in the heating element, but in the pump or valve. Don't confuse the codes!

2. Diagnostics of the heating element with a multimeter: how to check the heater

Before replacing, make sure that the problem is in the heating element. For this you will need multimeter (even a budget model for 300–500 rubles will do). Verification algorithm:

1. Unplug the machine and turn off the water.

2. Remove the bottom panel (tray) of a dishwasher - it is usually attached to 2-4 self-tapping screws on the front side. On some models (SR65T) you will also have to unscrew the side walls.

3. Find a heating element - This is a curved tube with terminals located at the bottom of the pan. 2-3 wires are connected to it (phase, neutral and sometimes ground).

4. Disconnect the terminals (take a photo of their location!) and measure the resistance of the heating element:

- Set the multimeter to ohmmeter (200 Ohm).

- Touch the probes to the outer contacts of the heating element.

- Normal resistance for Siemens: 25–40 Ohm (depending on power, usually 1.8–2.2 kW). If the device shows 0 (short circuit) or 1 (break) - the heating element is faulty.

5. Check the breakdown on the body:

- Set the multimeter to megohmmeter (2000k Ohm) or checking diodes.

- Touch the contact of the heating element with one probe, and the metal body of the machine with the other.

- Resistance must be infinite (OL). If there is at least some value, the heating element is broken and needs to be replaced.

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If you don’t have a multimeter at hand, you can check the heating element the “old-fashioned” way: turn on the machine in washing mode and after 10 minutes touch the heater tube with your hand (carefully!). If it is cold, the heating element does not work. But this method is unsafe and inaccurate!

3. Selection of spare parts: original vs analogues

heating elements for Siemens differ in power, form and connectors. Using an incompatible part will cause errors or damage to the electronics. The table below contains original articles and suitable analogues for popular series:

Model series Original article Power Analogs (brand + article) Notes
SN25M, SN65M 00646006 1.8 kW Electrolux 50218325001, Indesit C00288036 Suitable for narrow cars 45 cm
SR65T, SR66T 00646007 2.2 kW Bosch 00646007 (complete analogue), Whirlpool 481248426965 For full size cars 60 cm
SK75M, SK76M 00646010 2.0 kW Samsung DD81-00607A Compact models, requires adapter for connectors
SE25M (built-in) 00646012 1.9 kW AEG 91464450100 Elongated shape, check dimensions!

🔍 How can I find the part number for your model?

  1. Look at the sticker on the inside of the door or the back of the machine.
  2. Enter the model on the site Siemens Home in the "Spare parts" section.
  3. Use photo selection services (for example, eBay or AliExpress), if the article has been erased.

⚠️ Attention: Cheap Chinese analogues (price below 800 rubles) often have poor-quality seals, which leads to leaks. Original heating elements Siemens last 2–3 times longer.

The packaging is intact, without dents

The article matches your model

Power ±10% of original

New O-rings included

Warranty for at least 12 months-->

4. Tools and preparation for replacement

To work you will need:

  • 🔧 Screwdrivers: cross (PH2) and flat (3–4 mm).
  • 🔨 Socket wrenches: by 8 and 10 mm (for unscrewing the heating element fasteners).
  • 📸 Smartphone: to photograph the location of wires and terminals.
  • 🧴 Silicone grease: for O-rings (e.g. WD-40 Specialist).
  • 🧤 Gloves: rubber for protection from sharp edges of the case.
  • 🔌 Multimeter: for final check after installation.

🔹 Machine preparation:

  1. Unplug the dishwasher and turn off the water.
  2. Remove all baskets and trays.
  3. Place the machine on its side (carefully so as not to damage the hoses!) or provide free access to the bottom.
  4. Place a cloth - when disconnecting the heating element, residual water may spill out.

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If the machine is built-in, first remove the facade (usually it is secured with 4 screws on the bottom and 2 latches on top). In models SE25M To access the heating element, you will also have to remove the top panel.

5. Step-by-step replacement of the heating element: instructions with photos

📌 Step 1: Removing the Bottom Panel

Unscrew the screws around the perimeter of the pallet (usually 4 pieces: 2 in front and 2 in back). On some models (SR65T) the panel is additionally fixed with plastic latches - pry them off with a flat screwdriver. Carefully remove the tray and set it aside.

📌 Step 2: Disconnecting Wires

Take a photo of the location of the terminals! Disconnect all wires from the heating element by pulling the connectors (do not pull the wires themselves!). If the terminals are stuck, use a flathead screwdriver to carefully pry them off. Remember the color coding:

  • 🔴 Red/brown - phase (L).
  • 🔵 Blue - zero (N).
  • 🟢 Yellow-green - grounding (PE).

📌 Step 3: Dismantling the old heating element

The heating element is attached to the body using nuts (10 mm) or plastic retainer. Unscrew the nut with a socket wrench or loosen the lock by pressing on both sides. Carefully remove the heater by rocking it from side to side. If the heating element is “stuck”, do not apply force - treat the joint WD-40 and wait 10 minutes.

📌 Step 4: Installing a new heating element

Before installation lubricate the o-ring silicone grease (this will prevent leaks). Insert the heating element into place, aligning the grooves, and secure with the fastener. Do not overtighten the nut - this will deform the seal and lead to leakage! Optimal torque: tighten all the way + 1/4 turn.

📌 Step 5: Connect and test

Connect the terminals according to the photo (the color markings must match!). Make sure that the wires do not touch the chassis or moving parts. Turn on the machine in test mode:

  1. Run the program Intensive 70°C.
  2. After 5 minutes, touch the bottom of the car - it should be warm.
  3. Check the resistance of the heating element with a multimeter (should be 25–40 Ohms).

🔹 Video instructions for visual understanding:

Video on replacing heating elements on Siemens SR65T

*Example - replace EXAMPLE with the actual video ID.

6. Common mistakes and how to avoid them

Even experienced craftsmen sometimes make mistakes when replacing heating elements. Here are the most common mistakes and their consequences:

❌ Using an incompatible heating element

Installing a heater with a different power (for example, 1.8 kW instead of 2.2 kW) will result in:

  • 🔥 Overheating and thermal protection triggering (error E15).
  • ❄️ Underheating of water and poor washing of dishes.
  • ⚡ Burnout of contacts on the control board.

✅ Solution: Always check the part number and power with the compatibility table.

❌ Damage to the O-ring

If during installation you warp or tear the seal, a leak will appear after 1-2 weeks. Water will drip from under the machine and an error will appear on the display E18 (leak).

✅ Solution: Before installation, lubricate the ring with silicone grease and make sure that it fits evenly into the groove.

❌ Incorrect terminal connections

If you confuse phase and zero, the machine may not turn on or give an error E01 (eating problems). In the worst case, this will lead to a short circuit.

✅ Solution: Follow the color markings and the photo taken before disconnection.

❌ Forgot to check the temperature sensor

In 30% of cases, together with the heating element it fails thermistor (temperature sensor). If after replacing the machine still does not heat the water, check its resistance:

  • 🔹 At room temperature: 10–15 kOhm.
  • 🔹 In hot water (60°C): 1–2 kOhm.

✅ Solution: Article number of the original sensor for Siemens — 00646015. Cost: ~500 rubles.

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If after replacing the heating element the machine gives an error E24, the problem is not in the heater, but in the control board or wiring. In this case, diagnostics with a multimeter in dial mode is required.

7. Prevention: how to extend the life of a new heating element

The average service life of a heating element in a dishwasher is 5–7 years. But with proper use, this period can be increased to 10 years. Follow these tips:

🔹 Use salt to soften water

Hard water is the main cause of scale formation, which “eats” the heating element. Go to sleep regenerating salt in a special compartment (located under the lower basket). Optimal dosage: 1–2 tablespoons per cycle. For Siemens salt will do Finish or Somat.

🔹 Wash your car with vinegar every 3 months

Scale and fatty deposits reduce the thermal conductivity of the heating element. To clean:

  1. Pour into a glass 200 ml 9% vinegar and place it on the top basket.
  2. Run the program Intensive 70°C no dishes.
  3. When finished, wipe the seals and nozzles.

🔹 Don't overload the machine

Excessive weight of the dishes creates additional load on the heating element and the motor. Maximum load for Siemens:

  • 🍽️ Narrow models (45 cm): up to 9 sets.
  • 🍽️ Full size (60 cm): up to 14 sets.

🔹 Check filters once a month

Clogged filters cause the machine to work longer, which increases the load on the heating element. Clean them like this:

  1. Remove the lower basket.
  2. Turn counterclockwise and pull out the cylindrical filter.
  3. Wash it under running water and detergent.

⚠️ Attention: Never use chlorine products (such as Whiteness)! They destroy seals and cause corrosion of the heating element.

FAQ: Frequently asked questions about replacing heating elements

Is it possible to replace the heating element without turning off the water?

No! When dismantling the heater, up to 0.5 liters of water may spill out of the pipes. Always turn off the tap and disconnect the inlet hose to avoid a flood. We also recommend placing a towel under the car.

How much does it cost to replace a heating element in a service?

Prices in 2026:

  • 🔧 Replacing the heating element: 2,500–4,000 rubles (depending on model).
  • 🛒 Cost of the original heating element: 1,200–2,500 rubles.
  • 🔄 Diagnostics (if the cause is not in the heating element): 1,000–1,500 rubles.

Total: 3,700–6,500 rubles. Self-repair saves up to 50% of the cost.

Which heating element is better - original or analogue?

Original heating elements Siemens (00646006, 00646007) last longer thanks to:

  • 🔰 High-quality seals from silicone rubber (analogs often use cheap rubber).
  • 🔥 Accurate power calibration (deviation no more than 5%).
  • ⚡ Anti-scale protection (stainless steel coating with added titanium).

Analogues (Electrolux, Bosch) are suitable if you need an urgent replacement, but their service life is 20–30% lower.

What to do if after replacing the heating element the machine does not heat the water?

Causes and solutions:

  1. Incorrect terminal connections → Check the colors match the photo.
  2. Thermistor is faulty → Measure the sensor resistance (should be 10–15 kOhm at 20°C).
  3. The triac on the board burned out → Electronics repair is required (contact service).
  4. The water flow is clogged → Clean the filters and nozzles.
Is it possible to repair the heating element instead of replacing it?

No, it's pointless. The heating element is a sealed tube with a nichrome spiral inside. If the spiral burns out or the insulation breaks down, it cannot be restored. The only option is to replace it with a new one.

Exception: if the problem is oxidized terminals, they can be cleaned with sandpaper and tightened with pliers.