Siemens Dishwasher Error Code E27 Meaning and Possible Fixes
Siemens Dishwasher Error Code E27
If your Siemens dishwasher displays error code E27, this indicates a fault in the power supply or that the mains voltage is too low.
Siemens dishwashers require a stable mains voltage to operate correctly. If the appliance detects that the voltage is too low or that there is a problem with the power supply, it will stop and display the E27 error code.
View all Siemens dishwasher error codes
What the E27 Error Means
The E27 error code indicates a fault in the power supply or that the mains voltage reaching the dishwasher is too low. According to Siemens, the problem is likely with the mains voltage or electrical installation rather than with the appliance itself.
Common Reasons This Error Appears
Low mains voltage
The household mains voltage may have dropped below the level required for the dishwasher to operate correctly. This can happen during periods of high demand on the local electrical network.
Extension lead or adaptor in use
Using an extension lead or multi-adaptor can cause a voltage drop that triggers this error. The dishwasher should be plugged directly into a wall socket.
Faulty power socket
The socket supplying power to the dishwasher may be faulty or not delivering the correct voltage.
Faulty household wiring
A problem with the household electrical installation may be causing insufficient voltage to reach the appliance.
Safe Checks You Can Try
Check the power socket
Ensure the dishwasher is plugged directly into a wall socket rather than an extension lead or multi-adaptor.
Try a different socket
If possible, plug the dishwasher into a different wall socket to rule out a faulty socket as the cause.
Check the fuse
Check that the fuse in the plug is the correct rating and has not blown.
Restart the dishwasher
Switch the appliance off, wait a few minutes, then switch it back on and start a new cycle. This can clear a temporary fault caused by a brief voltage drop.
If You Need Spare Parts
If you are confident carrying out the repair yourself, compatible Siemens dishwasher parts are available on Amazon with next day delivery.
Always check your model number before ordering to ensure compatibility.
When To Contact A Professional
If the E27 error code continues to appear after trying the checks above, the mains voltage and electrical installation should be checked by a qualified electrician. If the household supply is confirmed to be correct and the error persists, a dishwasher engineer visit would be recommended.
Internal components should only be inspected or repaired by trained professionals.
Related Siemens Dishwasher Error Codes
You may also encounter related issues indicated by Siemens Dishwasher Error Code E26 and Siemens Dishwasher Error Code E31.
Error codes may vary slightly between different Siemens dishwasher models, so always consult the manufacturer documentation for your specific appliance.
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