Reading Siemens Washing Machine Error Codes
Siemens washing machines display error codes on the digital panel when something goes wrong. These codes begin with E (for electronic/electrical faults) or F (for functional faults). Understanding what each code means helps you decide whether it's a quick DIY fix or a job for a qualified appliance engineer.
Note: Always unplug your washing machine from the mains before inspecting internal components. If you are unsure of any procedure, contact a qualified appliance repair technician.
Most Common Error Codes and Their Causes
E18 / F18 — Draining Problem
The machine cannot drain water within the expected time. This is one of the most frequent faults.
Common causes:
- Blocked or kinked drain hose
- Clogged pump filter (the small access panel at the bottom front of the machine)
- Faulty drain pump motor
What to do: First, locate the pump filter access door at the bottom of the appliance. Place a shallow tray and towels underneath, unscrew the cap slowly, and drain any remaining water. Clean the filter of lint, coins, and debris. Straighten the drain hose and ensure it isn't pushed too far into the standpipe. Run a short program to test. If the fault persists, the drain pump may need replacement.
E17 / F17 — Water Intake Problem
The drum is not filling with water within the expected time.
Common causes:
- Tap not fully open or water supply interrupted
- Kinked or frozen inlet hose
- Blocked inlet hose filter screens
- Faulty inlet solenoid valve
What to do: Check that the water tap is fully open. Turn off the water supply, disconnect the inlet hose, and inspect the small mesh filters at both the tap connector and the machine inlet — clean these with a soft brush. If water supply is confirmed good and filters are clear, the inlet valve likely needs replacing.
E23 — Aquastop Triggered
The Aquastop safety hose has detected a leak and has shut off the water supply automatically. This is a safety feature, not a malfunction.
What to do: Inspect under and behind the machine for signs of water leakage. Check the inlet hose connections and door seal. Once the source of the leak is repaired, the Aquastop hose itself may also need replacement as it does not always reset.
E01 — Door Lock Fault
The door interlock is not engaging or releasing correctly.
What to do: Ensure no clothing is caught in the door seal. Try closing the door firmly and restarting. If the fault continues, the door lock mechanism or its wiring harness may be faulty and requires replacement.
E3 / F40 — Motor or Speed Sensor Fault
The motor is not reaching the expected speed or the tachometer (speed sensor) is not reporting correctly.
What to do: Check that the drum is not overloaded. An unbalanced load can trigger motor protection. If the fault appears on normal loads, a technician should inspect the motor brushes (on brush-motor models), the tacho sensor, and associated wiring.
General Reset Procedure
For many transient faults (power fluctuations, minor sensor glitches), a simple reset may clear the error:
- Turn the program selector to the OFF position
- Unplug the machine from the wall socket
- Wait at least 2 minutes
- Plug back in and select a new program
When to Call a Professional
Contact a qualified Siemens-approved appliance engineer if:
- The error involves the motor, control board, or heating element
- You see burn marks, smell burning, or see water under the appliance
- The same error code returns repeatedly after basic fixes
- The machine is still under warranty — DIY repairs may void coverage