How to repair the pressure switch of Siemens dishwashers

The pressure switch is a sensor controlling the water level in the appliance. If it fails, the basin is likely to overflow, which results not only in poor washing, but also in a flood.

repair pressure switch Siemens dishwashers
repair pressure switch Siemens dishwashers

How to diagnose the failure

You need to consider the amount of water in the basin to make sure it is the switch that is failing. If the amount is significantly different from normal, it means the sensor is faulty.

Experience has shown that problems with the water level switch are caused by the following reasons:

  • strong wear;
  • the oxidation of the contacts;
  • the general low-quality part.

How to repair the Siemens dishwasher pressure switch

pressure switch Siemens dishwashers

The pressure switch is an indivisible part. Accordingly, it is beyond repair and installation in case of failure. It requires replacement. You don’t need any additional components for installation.

Before starting the repair, you need to consider the fact that in most cases the pressure switch is designed for a particular model. So it is necessary to pick up a suitable part. If you have got all the tools for the job available, you can proceed with the replacement.

In order to fully replace the pressure switch, use a wrench or adjustable wrench and a screwdriver to loosen the switch mounting bolts.

The steps are as follows:

  • Remove the back panel of the dishwasher;
  • Remove the connecting hose under the switch;
  • Pull off the part;
  • Disconnect it;
  • Install a new part in the reverse order;
  • After the installation select the washing cycle and check the work of the dishwasher. Notice the amount of water. It should be optimum now.

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