F5

Caple User Interface Logic / Lock Circuit Fault

Electric hob shows F5 and beeps when trying to use the child lock or timer.

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.

Possible Causes

Stuck touch key, Faulty lock button sensor, Corrupted UI firmware, Damaged touch control PCB

How to Fix / Troubleshooting

User steps:

Clean and dry the control area thoroughly.
Power the hob off at the mains for 2–3 minutes to reset the user interface.
Attempt to toggle the child lock according to the Caple user manual (usually holding a specific key for several seconds).

Technician steps (if F5 persists):

Inspect the touch control PCB for damage or contamination.
Check the flat cable between the touch panel and main board.
If available, update or re‑initialise the UI board according to Caple service documentation.
Replace the touch control module if the lock key remains unresponsive or F5 returns after reset.

Repair Difficulty

Medium 3/5

Required Part

Touch Control PCB

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