Neff Warming Drawer N21H40N 3GB/01 Flashing Led.

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twohats

Joined Oct 28, 2015
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SOLVED Neff Warming Drawer N21H40N 3GB/01 Flashing Led. SOLVED
It's my daughters.
The flashing led indicates a fault.
User manual: Call after sales service.
I have bridged the drawer closed sensor.
The control PCB has a Pic I.C.
Also two 12volt relays that operate correctly when supplied with an external 12volts.
With the led flashing one relay has 0v on both coil pins the other has +12v on both coil pins.
The PCB has two resistor, 33R & 330 R that remain cool.
Control dc is derived from a capacitor resistor network

There is some information on AV forums; Neff Warming drawer failures | AVForums
Help or suggestion greatly appreciated.
 
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