A15
Fondital Control Board Communication / Internal Fault

Display shows A15, often after a power surge or lightning event.

Advertisements

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Advertisements

Possible Causes

Damaged electronic control board, Faulty internal communication between main and display boards, Incorrect grounding

How to Fix / Troubleshooting

Safety: Disconnect power before accessing electronic components.

  • Power cycle: Turn off the main switch, wait 30 seconds, and turn it back on. Sometimes transient faults clear.
  • Check grounding: Ensure the appliance earth connection is secure and that the supply polarity is correct.
  • Inspect boards: Look for obvious burn marks, swollen capacitors, or water ingress on the main and display boards.
  • Board replacement: If A15 persists, the control board assembly will likely need replacement by a Fondital service technician, followed by parameter configuration.
Advertisements

Repair Difficulty

Professional Required 5/5

Required Part

Electronic Control Board
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements