Control Board Inputs Table; Membrane Pad Continuity Checks - Maytag Neptune TL FAV6800A Service

Troubleshooting Procedures
To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing
requires power.
Titan LED Washer Control Board Inputs Table
Description
Item
Water Valve
Thermistor
Power Cord Line
Neutral
Ground
Lid Lock Switch This switch senses if the lid is
locked
Lid Closed Switch This switch senses if the lid is
closed
User Interface Membrane switch key pad
Tach from Variable Tach signal
Speed Motor Control
Pressure switch Low water level
Medium water level
High water level

Membrane Pad Continuity Checks

Unplug ribbon connector from display board. Touch probe of meter to the appropriate pin numbers listed in the chart.
Meter will show infinite unless the appropriate key is pressed.
Button
Super Wash
Normal
Wrinkle Control
Delicates
Hand Wash
Quick Wash
Whites
Colors/Jeans
Bulky Items
Enviro Plus
Spin Only
Note: When the Neptune TL is plugged in, the Machine Control Board will check the lid latch mechanism every 20
seconds. If found to be locked with no cycle running , the Control Board will send a signal to the switch to unlock the
lid.
20
!
Voltage
0 - 3.3 VDC
120 VAC
120 VAC
Chassis
ground
0 - 12 VDC
0 - 12 VDC
0 - 12 VDC
0 - 12 VDC
0 - 12 VDC
0 - 12 VDC
120 VAC
Pin # 2
Pin
Button
Number
18 & 3 Start/Pause
5 & 3 Off
6 & 3 Presoak
18 & 12 Extra Rinse
6 & 14 Signal -
5 & 14 Signal +
18 & 14 Wash/ Rinse Temp
6 & 12 Soil Level
18 & 11 Spin
6 &11 Delay Time Increase 5 & 7
5 & 11 Delay Time Decrease 6 & 8
16022808 Rev. 0
WARNING
Input type Input to Where
Analog Input to Micro-
processor
Input to some relays
Input to some relays
Digital Input to Micro-
processor and safety
circuitry
Digital Input to Micro-
processor and
system relay coil
Digital Input to Micro-
processor
Digital Input to Micro-
processor and safety
circuitry
Digital Input to Micro-
processor
Digital Input to Micro-
processor
Input to Micro-
processor and some
relays
Pin Number
6 & 4
6 & 13
18 & 7
18 & 13
18 & 4
6 & 7
5 & 12
5 & 13
5 & 4
Comments
Closed when lid
is locked
Closed when lid
is closed
Open when key
is not pressed
Closed when not
satisfied
Closed when not
satisfied
Closed when not
satisfied
©2003 Maytag Appliances Company