Bompani F28

Bompani error code F28 indicates: Bompani Serie Divina / Linea Built-in Multifunction Pyrolytic & Convection Oven: Operational diagnostic fault code F28 signaled by internal electronics. Motorized steam condensate drain valve actuator mechanical jam or motor winding open circuit.

The primary root cause for Bompani code F28 is: On Bompani kitchen suites engineered with PT1000 cavity RTD sensor (1080 Ω at 20°C), bi-directional tangential cooling fan, motorized pyrolytic door lock, and 2300W convection circular element: Calcium limescale encrusting rotary drain valve disc or actuator reduction gearbox gear stripped Multimeter diagnostic parameter: drain valve motor winding resistance nominal 2.8 kΩ to 3.6 kΩ at 20°C; microswitch contacts <0.2 Ω..

To resolve error code F28: Safely de-energize the appliance at the electrical distribution board. Unplug wiring connector from the affected component and verify with a digital multimeter: measure resistance across drain valve motor leads and verify position microswitch continuity during cycle. Inspect spade lugs for signs of heat discoloration. Replace defective component, restore electrical supply, and perform system reset: Turn oven selector knob to OFF position. Press and hold Temp and Timer buttons simultaneously for 5 seconds until 'rSt' flashes, then press Start to confirm memory wipe.

Resetting power (unplugging for 5–10 minutes) clears temporary memory errors. However, if Bompani code F28 persists, the physical component causing On Bompani kitchen suites engineered with PT1000 cavity RTD sensor (1080 Ω at 20°C), bi-directional tangential cooling fan, motorized pyrolytic door lock, and 2300W convection circular element: Calcium limescale encrusting rotary drain valve disc or actuator reduction gearbox gear stripped Multimeter diagnostic parameter: drain valve motor winding resistance nominal 2.8 kΩ to 3.6 kΩ at 20°C; microswitch contacts <0.2 Ω. must be inspected or replaced.

Set a digital multimeter to ohms (Ω). Disconnect power and test NTC Temperature Sensor Probe (Thermistor) across Across sensor pins 1-2 (unplugged harness). Expected nominal reading is 4.8kΩ–12kΩ (at 20°C–25°C). Tolerance: Negative temperature coefficient: resistance drops smoothly when warmed with fingers. OL = open circuit..

Standard electrical safety protocol: 1. Disconnect 230V mains power before opening panels. 2. Verify zero voltage at test points. 3. Allow hot water or heating elements to cool below 30°C before handling.