VERIFIED
When it only happens on run two
Some owners notice that the first cycle in the morning works and the second, after dinner, brings E25. Others see it when someone is showering or the washing machine is running. That kind of pattern suggests the code reacts to conditions around the machine, not just the machine itself. Water supply, hot-water demand elsewhere in the house and the heat left in the tub are all conditions the dishwasher can respond to.
What we can say about E25
E25 has no confirmed single meaning across Bertazzoni dishwasher models. The cycle history is therefore the best data you have, and writing it down is more valuable than guessing at a part.
Patterns to log
- First cycle of the day, second cycle, or any time.
- Whether other water use was happening in the house at the time.
- Whether the tub was still hot from the previous run.
- How many hours were between cycles.
What these patterns can hint
A code on the second run, shortly after the first, may involve residual heat or water in the tub, or the control not yet settled. A code that comes only when other taps run suggests supply pressure or a shared hot-water draw. Neither proves anything, but both guide where the technician starts. The fill valve lets water into the tub and the level sensing tells the control when it is enough, so supply conditions can show up in either.
Safe outside checks
Let the machine rest for half an hour between cycles for a week and see whether E25 disappears. Make sure the supply valve under the sink is fully open. Avoid starting the dishwasher while someone is in the shower, and compare. Check the filter for clogging after the first cycle.
Do not try to speed up the second cycle by opening the door and pushing buttons mid-run, since that can add confusion to the record.
When to book
If a period of rest does not change the result, or if E25 shows on the first cycle too, a technician checks the fill and level sensing and the control. These are tested while the unit is powered and open, so they are not homeowner tasks. We diagnose first, write up an estimate, and replace nothing until you approve.
Bring the log
A week of notes, even scribbled on the back of an envelope, tells a technician more than a single description. Include the times of day and which cycle names you used, so that the visit can start from the situations in which the code actually appears.
Frequently asked questions
It lets residual heat and water settle, which can change how the control reads conditions.
It might be in some homes, but the meaning is model-dependent, so supply is checked before parts.
Usually yes, but if E25 shows on the second, space them out until a technician has looked.
Model compatibility: Bertazzoni reuses codes across series and model years, so E25 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
