Hitachi built-in oven displays F0 and will not start any cooking program

Safety first: Turn off the oven at the wall switch or circuit breaker and allow it to cool completely before working on it.

• Power reset: Switch off power for 5–10 minutes, then restore power and check if F0 clears. Temporary glitches in the touch panel can trigger this code.
• Check for moisture and dirt: Inspect the glass touch panel for condensation, grease, or spills. Gently clean with a soft cloth slightly dampened with mild detergent, then dry thoroughly. Do not spray cleaner directly on the panel.
• Inspect keypad response: With power restored, press each key individually. If some keys do not respond or trigger other functions, the touch panel is likely faulty.
• Check ribbon cable (advanced): Isolate power again. Remove the control panel trim (usually a few screws from the top or sides). Locate the flat ribbon cable from the touch panel to the main control board (PCB). Ensure it is fully seated and not damaged or burnt.
• Replace touch panel if needed: If the cable is secure and F0 persists, the touch control panel assembly is usually replaced as a complete unit. Match the part number from the original Hitachi panel.

When to call a technician: If you are not comfortable removing the control panel or if the control PCB shows signs of burning or corrosion, contact a qualified Hitachi service technician.