PartsFinder UK

E44

Error code

high severity Siemens

E44 Error: Your Siemens dishwasher is displaying the E44 error code on

Your Siemens dishwasher is displaying the E44 error code on its control panel, which indicates a communication fault between the appliance's internal control systems. In practical terms, this means the main control board isn't able to talk properly to the display unit or other key components, causing the dishwasher to stop operating as a safety measure. The good news is that E44 faults are often resolvable without calling out an engineer. Most commonly, the issue stems from either a loose connection, a faulty main control module, or occasionally a problem with the display control module itself. Before you assume the worst, it's worth checking that all internal connectors haven't come loose, as vibration during the wash cycle can sometimes dislodge plugs. If connections are secure, the main control board (PCB) or display module will likely need replacing. Whilst this sounds daunting, many competent DIY enthusiasts find these parts straightforward to swap out using online guides and a basic toolkit. However, if you're not confident working inside electrical appliances, a qualified engineer can diagnose and fix this quickly. Either way, it's a very manageable fault.

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Diagnostic Steps

  1. 1

    Step 1

    Check the wiring harness between main board and display board

  2. 2

    Step 2

    Reset the machine

  3. 3

    Step 3

    Replace the faulty board (main or display) after diagnosis

⚠️ Always disconnect your appliance from mains power before starting any repair. If in doubt, consult a qualified engineer.

Parts to Check in order of probability

1
control professional

Main Control Module (PCB)

OEM: 00648858

# Main Control Module (PCB) If your Bosch or Siemens dishwasher has stopped responding to button presses, won't cycle through programmes, or displays error codes, a faulty control module is likely the culprit. This component manages all the appliance's functions, so when it fails through age or electrical damage, your dishwasher becomes unusable. This replacement Main Control Module, reference 00648858, restores full functionality to compatible Bosch and Siemens models. It's a moderately challenging repair job, rated 4 out of 5 for difficulty, so expect to spend a couple of hours on installation if you're reasonably handy. Before you begin, take a photograph of the control panel layout and any cable connections. This simple step saves frustration when reassembling, as the module involves multiple electrical connections that must be correctly positioned. Modern control modules are precision components, so handle yours carefully throughout the installation process to avoid damage. Always verify your dishwasher's E-Nr model number matches the compatibility list before ordering. You'll find this on the appliance's data plate, usually inside the door edge. Ordering the wrong part wastes time and money, so take a moment to check first.
2
control hard

Display Control Module

OEM: 00263474

# Display Control Module for Bosch and Siemens Dishwashers If your dishwasher's display has stopped working or the controls aren't responding properly, a faulty Display Control Module is likely the culprit. This essential component manages all the electronic controls on your machine, and when it fails, your dishwasher becomes impossible to operate reliably. The genuine OEM replacement (reference 00263474) is designed specifically for Bosch and Siemens dishwashers, ensuring perfect compatibility and performance. Rather than paying for an expensive engineer call-out, many DIY homeowners successfully replace this part themselves. Installation sits at moderate difficulty level, typically taking an hour or two with basic tools. Our top tip: before you begin, take a photo of how the wiring connects to the old module so you can replicate it exactly on the new one. This simple step prevents frustrating mistakes during reassembly. Once fitted, your dishwasher's display and control functions should return to full working order, saving you the cost of replacement. Before ordering, please verify your machine's E-Nr model number against our compatibility list to confirm this part will fit your specific dishwasher model.

Frequently Asked Questions

What does the E44 error mean on a Siemens dishwasher?↓
Your Siemens dishwasher is displaying the E44 error code on its control panel, which indicates a communication fault between the appliance's internal control systems. In practical terms, this means the main control board isn't able to talk properly to the display unit or other key components, causing the dishwasher to stop operating as a safety measure. The good news is that E44 faults are often resolvable without calling out an engineer. Most commonly, the issue stems from either a loose connection, a faulty main control module, or occasionally a problem with the display control module itself. Before you assume the worst, it's worth checking that all internal connectors haven't come loose, as vibration during the wash cycle can sometimes dislodge plugs. If connections are secure, the main control board (PCB) or display module will likely need replacing. Whilst this sounds daunting, many competent DIY enthusiasts find these parts straightforward to swap out using online guides and a basic toolkit. However, if you're not confident working inside electrical appliances, a qualified engineer can diagnose and fix this quickly. Either way, it's a very manageable fault.
Can I fix the E44 error myself?↓
Many E44 faults can be resolved by a competent DIYer. Always disconnect from mains power first. If unsure, consult a qualified engineer.

Quick Summary

Code
E44
Brand
Siemens
Parts to check
2