Induction cooktop shows 'Er22' and beeps continuously, with no response to touch.

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

Defective touch sensor IC, shorted glass sensor area due to crack, liquid ingress under glass, faulty user interface PCB.

Safety first: Turn off the cooktop at the breaker. Do not continue using a cooktop with cracked glass.

User checks:

Inspect the glass surface for cracks or chips, especially near the control area.
Clean and dry the control area thoroughly.
Reset power and test again.

Technician checks:

If the glass is cracked, replace the glass ceramic top and inspect the touch PCB for damage.
If no physical damage, test the touch control board and replace if 'Er22' persists.

Hard 4/5

Touch Control Panel

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