VERIFIED
E39 in daily use
Some owners say the display shows half a character, a dim digit or a flicker before settling on E39. It might even read E38 or E89 in a glance, because a missing segment changes the look of a digit. The display is the cooktop’s voice, and when it is partly out, reading the code correctly is part of the diagnosis. Each digit is drawn from several segments, so one dead segment can turn a character into a different-looking one.
A display that dims as the cooktop warms can be a clue pointing toward heat-sensitive contacts. The contacts that link the display to the board can change as they warm, which may bring a segment back or take it away.
Do not trust a single glance at a faulty display. If you contact us, include the photos and say plainly that the display is partly out, so we can ask the right questions and avoid chasing a code that was misread. Because the display is our main window into the cooktop, a partly failed one can hide other codes. On site a technician may use the zones’ behavior as another clue, and the appointment can include testing the display on its own. Sending the clip before the visit lets us bring the right parts to look at.
Checks that are safe for an owner
- Take a clear photo of the display each time, with the lighting dimmed so the segments show.
- Compare against another time of day to see whether the display changes with warmth.
- Wipe the glass over the display to ensure a film is not dimming it.
Meaning of the code
E39 does not have one confirmed definition across Bertazzoni cooktops, and with a faulty display, we cannot even be sure the characters are accurate. The model number and a clear photo help, and a technician reads the real code on site.
Inside checks start with
The display and its connection to the board are the first parts to examine, with the supply to the display and the board’s own condition. Ribbon contacts and solder joints around the display can weaken, and heat cycles contribute. Because a failed connection can look like a failed display, both are tested before either is named.
Technician or not
A display with failing segments needs to be opened and inspected by a technician, which means working near live parts. The technician reads the real code, tests the display and board, and tells you what is needed before work begins.
Frequently asked questions
A clear photo is the best record. A faulty display can misrepresent characters.
Not by itself, but it can accompany other faults, so book a visit.
Sometimes not at all, and sometimes the zones stop. Report what you see.
Model compatibility: Bertazzoni reuses codes across series and model years, so E39 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
