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Error code reference

Ariston Washer Error Code F16

Non-functioning basket (drum) block.

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What the F16 error code actually means

Your Ariston washer is displaying error F16 because it detected a problem with the drum blocking mechanism, which is the part responsible for locking or controlling the drum during the wash cycle. The machine has stopped to avoid potential damage. A technician will need to check the internal wiring connections and drum components to find and fix the root cause.

Diagnostic procedure

The full F16 procedure

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1
First diagnostic step
Go over connector card CNC.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of F16

Ranked by how often they cause this code
  1. 1Loose or damaged CNC connector
  2. 2Faulty drum block mechanism
  3. 3Damaged wiring harness
  4. 4Control board failure

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Questions people ask about F16

What does F16 mean on a Ariston washer?
F16 on an Ariston washer indicates a non-functioning basket (drum) block condition. The machine has detected that the drum block mechanism is not operating as expected during the cycle. The control system halts operation to prevent mechanical damage. Diagnosis begins with inspection of connector card CNC.
Is it safe to use my Ariston washer when the F16 error is showing?
No, you should not attempt to run the washer while the F16 error is active. The machine has stopped the cycle because the drum block function is not confirmed, and continuing to operate it could cause mechanical damage to the drum assembly or other internal components. Resolve the fault before resuming use.
Will resetting my Ariston washer clear the F16 error code?
A reset may temporarily clear the F16 code, but if the underlying fault in the drum block system or CNC connector has not been resolved, the error will return once the machine attempts to run through the affected part of the cycle. A reset is not a fix and should only be used as part of a diagnostic process, not as a substitute for proper repair.
Can I fix the F16 error on my Ariston washer myself?
If you are comfortable with basic appliance diagnostics, you can start by checking that the CNC connector card is securely seated and free of corrosion or visible damage. However, if the fault persists after reseating the connector, further diagnosis involving wiring continuity testing and mechanical inspection of the drum block is best handled by a qualified technician.
How much does it cost to repair an F16 error on an Ariston washer?
Repair costs vary depending on the root cause. If the issue is simply a loose connector, the cost may be limited to a service call fee, typically in the range of $75 to $150. If the drum block mechanism or control board needs replacement, parts and labor combined could range from $150 to $400 or more depending on parts availability and local labor rates.

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