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Programmer Circuit Board; Instructions For Replacing The Electronic Board - Maytag MFS Series Programming Manual

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9.3. PROGRAMMER CIRCUIT BOARD

WARNING !
!
CONNECTION TO THE WRONG VOLTAGE SUPPLY MAY CAUSE SERIOUS BODILY INJURY AS
WELL AS DAMAGE TO THE ELECTRONIC PARTS AND TO THE WASHING MACHINE ITSELF.
- Voltage
- Power
- Memory
- Outputs
- Serial interface
- Display

9.4. INSTRUCTIONS FOR REPLACING THE ELECTRONIC BOARD

Switch off the main power supply.
Open the cover plate of the washing machine.
Remove the connectors from the circuit board and remove the hose from the level sensor.
Remove the combination of the metal support plate - electronic timer by the rear side of the fascia
panel. Remove the two nuts of the metal support plate and pull the assembly carefully by the
rear side.
Put the new combination support plate – electronic timer into the machine and tighten the two nuts.
Reconnect all the connectors and put the hose back on the level sensor.
Close the cover plate of the washing machine.
Now you can Switch On the power supply.
The display should illuminate.
ATTENTION !!!
!
MAKE SURE THAT THE HOSE OF THE LEVEL SENSOR IS TIGHTENED WELL WITH A FASTENER.
IF THE HOSE IS NOT AIR TIGHT THEN THE LEVEL SENSOR WILL NOT MAKE A CORRECT MEASUREMENT.
MAKE SURE THAT YOU DON'T DAMAGE THE FLEX CABLE OF THE KEYPAD WHEN YOU PUT
THE GRAPHIC CONTROL WASH COMPUTER BACK INTO THE MACHINE.
516532 B
PUBLICATION DATE 1 JUN 2007.DOC
Picture 8.3
:
200-240 Vac, 50/60 Hz
:
max 16 VA
:
Flash Memory (contains the software)
EEPROM (contains the customized programs)
:
11 relays
:
RS485 (2 wire) networking between wash computer and
external device (PC Computer)
:
LCD display
PROGRAMMING MANUAL
59

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