Bertazzoni Bottom-Mount Code F5: Freezer Evaporator Sensor or Defrost Sensor

What F5 means

F5 has two meanings on Bertazzoni bottom-mount refrigerators. On the REF24BMBPNB-type it names the freezer evaporator sensor. On the REF24BMBIPNV, REF24BMFIXNV and RBM24F4FXNV group it names the defrosting sensor. Both sensors sit near the cooling coil and guide the defrost cycle. The appliance still cools, but a technician should check it, and F5 shows on the display. Match the code to your model before ordering any part.

Common causes of F5

A freezer evaporator or defrosting sensor with an open or shorted reading
A damaged wire or plug at the coil sensor
Heavy frost on the coil that covers the sensor
A main board input that no longer reads the sensor

✓ One safe check you can try

1. Check whether frost has built up on the freezer back wall. 2. Keep the freezer door closed and look at the gasket. 3. If ice is thick, empty the freezer, unplug it and let it thaw for several hours. 4. Wipe up the water and restart the appliance. 5. If F5 returns, call us and keep the doors shut.

! Why to stop there

The sensor sits next to the evaporator behind the back panel, and a wrong move can bend the coil tubing.
A defrost problem can look like a sensor problem, and each needs a different repair.
Letting the coil ice over for weeks makes food warm and the compressor work harder.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

→Same appliance

Other Refrigerator codes

Fridge too warmBertazzoni TFT Column Message "Fridge too warm": refrigerator section above its setting Ice Maker Does Not WorkBertazzoni BMBI Refrigerator Message "Ice Maker Does Not Work": icemaker off or water not connected Lower unit openBertazzoni BMBI Refrigerator Message "Lower unit open": freezer door left open Lower unit too coldBertazzoni REF30/36BMBI Message "Lower unit too cold": Freezer Drawer Running Below Setpoint Lower unit too warmBertazzoni REF30/36BMBI Message "Lower unit too warm": Freezer Above Its Target Power Failure!!Bertazzoni Column Refrigerator Message "Power Failure!!": Long Power Interruption Recorded Refrigerator too warm / Refrigerator too coldBertazzoni REF30/36BMBI Messages "Refrigerator too warm" and "too cold": Fresh-Food Side Off Target Replace filterBertazzoni REF30/36BMBI Message "Replace filter": Water Filter Cartridge at 30 Percent

F5F5 questions

Why does F5 mean different things on different models?

Bertazzoni uses the same letter code on more than one platform. On the REF24BMBPNB-type it is the freezer evaporator sensor, and on the REF24BMBIPNV group it is the defrosting sensor. Give us your model so the right one is tested.

Can a thaw clear F5?

A thaw helps if frost buried the sensor. It does not repair a sensor with a broken wire. If F5 returns within a day or two of restarting, the sensor or its wiring needs a technician.

Is it dangerous to keep using it?

It is not a safety risk. The refrigerator keeps cooling, but defrost timing may be off, so frost can build up. We suggest a visit within a week to avoid food spoiling.