Interface Board; Reed-Switch Board - Whirlpool Multibras ARC8140IX Service Manual

5.2. Interface Board – LCD Display
The interface board has the function of interacting with the user, indicating the product
functions/programming and operation (see Use Characteristics item) always put in operation by the
Electronic Control.
- Disassembly - LCD
1. Pry the Buttons (right & left) of
the Interface.
3. Remove the Interface board
Do not touch the Circuit components, because you can damage, fuse/burnt or weaken the board.

5.3. Reed-switch Board

This Refrigerator is equipped with a switch electronic system (reed switches) that are connected to the
Reed Switch Board, located inside of the Console, on the Refrigerator frontal portion.
These switches, along two magnets, one located on the lower head of the Freezer door, and the other
on the upper head of the Refrigerator door, informs the Electronic Control which is the position of the
doors, opened or closed. This reading is done when the magnet stays away from the reed switch,
indicating that the door is opened or that it is closed, when the magnet is close to the reed switch.
Door opening management
When 1 or the 2 doors are opened, the following actions will be executed:
Freezer door opened
Freezer door Icon will switch on
Freezer and refrigerator Fan Motor will switch off.
Refrigerator door opened
Refrigerator door Icon will switch on
Refrigerator Fan Motor will switch off
Refrigerator lamp will switch on
MSEX0105i – Electronic No Frost Refrigerator Bottom Mount/ Dual Fan - Maestro High
Electrostatic Discharge Risk
Always handle the Boards by the sides/plastic holder.
Spare Parts/ stock boards must be kept in anti-static packaging.
2. Release the screws that are attaching the

Interface board;

4. Disconnect the wire connector and take
out the Interface board.
WARNING
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