PF error in LG washing machine

PF on LG washing machine The PF error in an LG washing machine occurs quite rarely. But if it appears on your “home assistant”, then such a problem should not be shelved. After all, this is a signal that something is wrong with the electrical network of your washing machine or your home, and this is dangerous not only due to expensive equipment repairs, but also due to a short circuit in the wiring. Let's figure out what causes this error.

Decoding the code

A more complete decoding of the PF code of LG washing machines sounds like this: power failure on the control module. The reason for this failure may be:

short-term power outage while the machine is operating;
a voltage surge in the electrical network of your home, it is enough that the voltage drops by 10% or rises by 5%;
connecting an electrical appliance to the home network that can cause a power surge, for example, a welding machine.

If the error occurred only once and did not appear again, then a sudden power outage is to blame. You can ignore this and continue washing by pressing the Start button.

Symptoms and their causes

However, electrical problems in the house are not the only thing that can trigger this error. To understand why the code appears PF needs to pay attention to the accompanying symptoms that appear in the operation of the washing machine. First of all, pay attention to when this code appears, for example:

the error occurs when executing the same program;
The code is displayed every time you wash, regardless of the program.

Both options indicate a malfunction. In addition to the electrical wiring to which the equipment is connected, the following may fail: socket for washing machine

power cord or plug of the washing machine, and a failure can occur in any program and at any stage of washing;
control module, in this case the error also occurs regardless of the program;
wiring inside the machine in the area from the FPS to the electronic module;
heating element, which most often manifests itself during the washing stage. It may seem strange, but when the heating element burns out, a short circuit occurs to the equipment body. And if you have a automatic rifle, it knocks it out. After turning on the machine again, the PF code appears on the display.

Important! You can prevent voltage surges in the network, thereby protecting the parts of the washing machine, if you connect the machine to the network through a voltage stabilizer.

What to do in case of malfunction

Where to start checking if such an error occurs? In our opinion, the best place to start is by inspecting the power cord and outlet. If the power cord is visually intact, then the check is carried out using a multimeter. As for the outlet, it should be grounded and is displayed separately for the washing machine.

Let us remind you! Do not connect the washing machine to the network through extension cords and tees.

It is also necessary to check the voltage in the electrical network. If you doubt your abilities, then entrust your work with electricians to a master in this field, safety first. The next step should be to check the parts inside the washing machine. Start with a noise filter. To do this, do the following:

unplug the machine;
Unscrew the screws and remove the top cover;
immediately behind the back wall, on top, at the end of the power cord, find the FPS;
disconnect it and inspect the contacts;
check the FPS and the lead from the filter to the control module using a multimeter;
in case of malfunction, replace damaged wires.

If the problem is not with the filter, then next you should check the heating element. The heating element in LG washing machines is located under the tank on the back side. Therefore, after removing the back wall of the case, you need to:

Unscrew the central bolt on the heater;
disconnect the terminals with wires;
check the operation of the heating element with a multimeter;
If there is a malfunction, use a rocking motion to pull the heater out of its seat;
clean the area under the heating element, taking out all the debris;
install a new original part;
connect the wires;
assemble the washing machine.

The most difficult part to repair is the control module, because for this you need to have knowledge and skills in operation. With such an error, most often the module must be repaired and very rarely this part is changed. The repair consists of finding the burnt track and elements and resoldering them. For a master, this will not be difficult, but a beginner may not be able to do it, and the board may be completely damaged. So think before you undertake such repairs.

So, the appearance of the PF error is mainly due to electrical issues. Either this is a malfunction in the electrics of the house, or in the electrics of the machine itself. We hope this information will help you determine a plan of action in this situation.