Where does the smell of burning from the washing machine come from? The laundry is loaded and the program started as usual, what causes an unpleasant smell? This problem cannot be ignored, it is urgent to disconnect the equipment from the network. Then calmly start troubleshooting.
Why does the washing machine smell burnt?
If your machine is connected via an RCD circuit breaker, then disconnect it as well. First, check the outlet, it may have melted. Then it is better to contact an electrician. If the plug with the outlet is in order, then exclude other reasons. The burning smell does not always indicate a malfunction, sometimes the point is in the intricacies of operation:
- The new washing machine smells of burnt plastic when heated. This happens at first, when parts and elements are heated during washing. But if the technology is not new for a long time, then it is worth considering.
- When washing with new powder or soap, it smells of burning. Sometimes mothers wash baby clothes with soap shavings or unsuitable powder for the machine. Means can stick to the TENA spiral, which leads to an unpleasant odor. Run the program with a high temperature to get rid of sticking.
If all else fails, then you have to look for a malfunction. SMA smokes when damaged wiring, contacts, electronic parts of equipment. Here are the main reasons that require the intervention of a wizard:
- The contacts of the interference filter or TENA burned out.
- Burned tracks or contacts of the control board.
- Closed wiring harness.
- Grind the drive belt.
- Short circuit due to water entering the engine.
- Overheating of the drain pump.
- Pollution of TENA, hit of foreign objects on a spiral.
All these reasons require a thorough inspection, diagnosis and repair of equipment. You can independently inspect and find the place of the problem. But whether to repair or not is up to you.
Washing machine repair
Attention! Self-intervention in the internal parts of the equipment and work with electrical contacts is dangerous. Therefore, without special knowledge it is better not to risk it and turn to the master. We will nevertheless describe the general sequence of actions so that you understand how to conduct the audit.
Problems with filter and heater wiring
The electrical contacts of the washing machine often suffer from increased humidity and oxidation. The point is not only in the intake of water into the drum, but also in the installation location of the machine. In the bathroom, condensation often collects and settles on all surfaces. Also, the operation of electronics is affected by voltage drops in the network.
If the AGR smelled burnt, inspect the power supply wires. It is located under the top case cover. Do this:
- Remove the two bolts from the back.
- Slide the cover forward, remove from the housing.
- There is a filter near the side wall.
- Inspect the wiring, contacts.
The presence of burns, black plaque indicates damage. Items require replacement. You also need to inspect the heater contacts:
- Remove the front or back of the CMA.
- Under the tank are the findings of the heater.
- Inspect them for damage.
To get rid of the plaque on the spiral, which is in the drum, start a program with hot water and the addition of citric acid. If after this the smell of burning starts again, then mechanical cleaning or element replacement is required.
CMA wiring damage
All electrical components of the machine are connected by wires that lead to the control module. So the unit can control the operation of the equipment by sending signals to turn on and off to its nodes. If the wires are short-circuited, their coating may melt, therefore during operation the machine smokes and exudes an unpleasant odor.
It is necessary to inspect all the contacts and connections that lead from one node to another. In case of damage, contact the wizard for help. In the video from the BT Repair user, another variant of the burns is shown:
Drive Belt Problem
There is a bearing at the base of the tank, which can wear out over time. As a result, the pulley is skewed and the belt is frayed. When spinning at high speeds, the smell of burnt rubber is felt and there is black smoke. In such cases, the bearing and belt must be replaced.
To replace the drive belt:
- Remove the bolts around the perimeter and remove the back cover.
- Remove the old belt.
- Put the new one immediately on the motor pulley, and then, scrolling, on the drum pulley.
To replace the bearing, you will have to disassemble the SMA, remove the tank from the housing and knock out the worn part from the seat. You can purchase a kit of stuffing box and bearing in the parts store.
Engine damage
A cracked tank leads to leakage and moisture to the electric motor of the machine. Then a short circuit occurs. In this condition, the equipment cannot be operated, therefore, disassembling the housing and troubleshooting is needed.
Carefully inspect the washing tank. It could crack when hit by a foreign object. A small crack can be sealed, otherwise you will have to replace the tank. Also inspect the engine and diagnose its performance. In case of a malfunction, replacement is carried out as follows:
- Behind the rear cover under the tank is the motor.
- Disconnect the chips from the engine.
- Twist fixing bolts.
- Swinging the assembly back and forth, remove it from the housing.
When the circuit is often affected, the motor winding, therefore, repairs are unprofitable, it is better to completely replace it.
Pump malfunction
The non-stop operation of the pump leads to the smell of burning and damage to the unit. To replace the pump in the Electrolux and Zanussi washing machines, you will need to dismantle the back wall. For models Siemens, Bosch, AEG, it is necessary to disassemble the front panel, but in the SMA Samsung, Virpul, Beko, Kandy, access is opened through the bottom.
Then do this:
- Prepare dry rags.
- Loosen the clamps and remove the drain hose and pipe.
- Loosen the bolts or rotate the pump counterclockwise.
If the electronic part of the pump breaks down, install a new spare part. The stages of disassembly are shown in the video All about washing machines at the link:
Now you know what to do if the equipment breaks down. We recommend entrusting problems with the electrician to a professional. But to inspect the components is quite within the power of the average user.