Error code

Bosch dishwasher error code E27

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Is E27 on a Bosch dishwasher an emergency?

Treat it as urgent — deal with it today. If it smells like burning, sparks, or trips the breaker, switch it off at the breaker and leave it off until it is checked.

Take the photo. We’ll tell you what it is.

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What E27 means

“The house power supply to the unit is too low.”

— Bosch Home Appliances US, Dishwasher Error Codes | Support | Bosch. Codes vary by model: check your dishwasher’s own manual.

Where E27 fits

In plain words, E27 is about the power supply or wiring — voltage out of range, a blown fuse, or a wiring fault.

Next to E27 in Bosch’s table: E25 (The drain pump is blocked or the drain pump cover is loose) and E0110 (Failure causing electronics miscommunication).

What to try first

  • Reset the breaker for 30 seconds; if it returns, have an electrician check the supply voltage.

Safety: If it smells like burning, sparks, or trips the breaker, switch it off at the breaker and leave it off until it is checked.

How urgent is it?

At least TODAY. fixRAgent treats this code as needing attention today. It points at water where it should not be, overheating, a combustion or ignition safety shutdown, food that may be warming, or a wiring problem. This is fixRAgent’s reading, not the manufacturer’s. A photo can raise it — water near wiring, scorch marks, a gas smell — but a code never lowers what the photo shows.

Who to call

Electrician. Have the model and serial numbers from the label ready — a photo of the label works.

Recalls and manuals

Check whether your model is under a safety recall on the U.S. Consumer Product Safety Commission’s site: cpsc.gov/Recalls. Your owner’s manual is on Bosch’s support site; search it with the model number from the label.