What PRE-HEATING Light Flashing With Alarm Means
Bertazzoni's own troubleshooting guide lists a flashing PRE-HEATING indicator paired with a sound alarm as the problem alarm for the oven's cooling fan — the fan that keeps the electronics compartment from overheating has stopped working correctly.
Common Causes of PRE-HEATING Light Flashing With Alarm
- A worn or seized cooling fan motor
- A wiring problem between the fan and the control board
- A control board no longer driving the fan correctly
🔧 One Safe Check You Can Try
Bertazzoni's own guide has you turn both control selectors fully to OFF first — if the alarm comes back the next time you try to use the oven, that confirms a genuine fan problem rather than a one-time glitch.
⚠ Why You Shouldn't Go Further Than That
- The cooling fan sits close to the oven's control electronics, and testing or replacing it without fully de-energizing the unit is a shock risk.
- Continuing to run the oven with a failed cooling fan can let the electronics compartment run hotter than it's rated for, risking a second, more expensive failure.
- This can be mistaken for the separate temperature-sensor problem alarm, and chasing the wrong one wastes a service visit.
- Reaching the fan on most models means removing rear or interior panels, one of the more common ways owners accidentally affect their remaining warranty coverage — check your terms first.
- A fan reinstalled even slightly unbalanced can wear out again quickly, so this is worth a technician's proper fit rather than a rushed swap.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.