E17
Error code
E17 Error: Your Siemens dishwasher is displaying the E17 error code on
Your Siemens dishwasher is displaying the E17 error code on its control panel, and you're probably wondering what's gone wrong. This error indicates that your dishwasher has detected water that's become too hot during the wash cycle, and it's likely caused by a faulty thermostat or temperature sensor. The good news is that this isn't necessarily a catastrophic breakdown—many E17 faults can be resolved without calling out an expensive engineer. The error typically points to one of two components. The most common culprit is the NTC temperature sensor, a relatively small and inexpensive part that monitors water temperature throughout the cycle. If this sensor malfunctions, it can cause the dishwasher to incorrectly perceive that water is dangerously hot when it actually isn't. Less frequently, the fault may lie with the main control module, the circuit board that orchestrates your dishwasher's operations. Before you panic about repair costs, it's worth investigating these components yourself. Many UK homeowners successfully replace a faulty temperature sensor in under an hour with basic tools. This guide will walk you through diagnosis and repair options to get your dishwasher running smoothly again.
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Diagnostic Steps
- 1
Step 1
Check the NTC temperature sensor
- 2
Step 2
Check the main control board
- 3
Step 3
Replace the thermostat/NTC sensor
⚠️ Always disconnect your appliance from mains power before starting any repair. If in doubt, consult a qualified engineer.