Error code reference

Merloni Oven Error Code ER88

Key15 fault on Touch control

Key15 fault on Touch control — touch button malfunction.

First step from the service manual

Open door, wait for condensation to dry; if fault persists and all inductive rubber pieces are present, replace display board.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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ER88 on my Merloni Oven

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Key15 fault on Touch control — touch button

From Service Manual 634453, p.25:

1.Open door, wait for condensation to dry; if fault persists and all inductive rubber pieces are present, replace display board.

2.Measure door lock assembly resistance across the PTC terminals. Expected: ~200 ohms cold, rising sharply once energized.

3.Inspect strike and latch alignment. A warped door or misaligned strike prevents the switch stack from closing in the correct sequence.

Part W10810403

Door lock assembly

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