GE WH18X28174 Configuration guide

WH00X28180
Part Install Instructions
Overview –Procedure for programming new control boards
when all LED’s are flashing.
Applicable To The Following Main Boards:
WH18X28174, WH18X28175, WH18X28176, WH18X28177
and WH18X28178
!IMPORTANT SAFETY NOTICE
The information in this part instruction is intended for use by
individuals possessing adequate backgrounds of electrical,
electronic and mechanical experience. Any attempt to repair a
major appliance may result in personal injury and property damage.
The manufacturer or seller cannot be responsible for the
interpretation of this information, nor can it assume any liability in
connection with its use.
!WARNING
To avoid personal injury, disconnect power before servicing this
appliance. If electrical power is required for diagnosis or test
purposes, disconnect the power immediately after performing the
necessary checks. RECONNECT ALL GROUNDING DEVICES If
grounding wires, screws, straps, clips, nuts, or washers used to
complete a path to ground are removed for service, they must be
returned to their original position and properly fastened.
Parts Included:
•Control Board •Instruction Sheet
1. Press Start button. LED’s will stop flashing and the personality ID can be selected.
▪Models with seven segment display will show the personality ID number in the display.
▪Models without seven segment display will show the personality ID number on the
status LED’s using binary coding. (See binary chart on reverse side)
2. Press and release the Start button to increment to the next personality ID number.
▪The first personality may be “0” and all cycle status LED’s will be off.
▪When the end of the ID list is reached the control will wrap around to the beginning of
the personality ID number list.
3. Press and hold the Start button for three seconds when the correct personality ID number
is in the display or if the correct status LED’s are lit for the personality ID number needed.
▪This will save the personality ID number and the control will go to an idle state.
NOTE: If an error is made programming the control or the LED’s are not flashing, enter Field
Service Mode as shown on the last page of these instructions. Use service mode test 17 to enter
the correct personality.
1

Model Number
Main Board
Personality
ID SSD
Personality ID
Cycle Status
LED"S
GTW220**K0 / K1 / K2
WH18X28174 0*
GTW220**K3
WH18X28176 10
GTW220**K4 / K5
WH18X28176 1
GTW330**K0 / K1
WH18X28174 8
GTW330**K2
WH18X28176 11
GTW330**K3 / K4
WH18X28176 2
GTW335**N0 & higher
WH18X28176 15
GTW460**J0 / J2
WH18X28174 6
GTW460**J1 / J3 / J4 / J5 / J6
WH18X28174 11
GTW460**J7
WH18X28176 12
GTW460**J8 / J9
WH18X28176 3
GTW465**N0
WH18X28176 16
GTW465**N1 & higher
WH18X28176 18
GTW485**J0 / J1
WH18X28174 10
GTW485**J2 / J3
WH18X28174 14
GTW485**J4 / J5
WH18X28176 4
GTW490**J0 / J1
WH18X28174 1
GTW490**J2
WH18X28174 5
GTW490**J3
WH18X28174 5
GTW490**J4
WH18X28176 5
GTW490**J5
WH18X28176 5
GTW500**N0 & higher
WH18X28176 17
GTW680**J0 /J1 /J2
WH18X28175 2
GTW680**J3 / J4
WH18X28175 3
GTW680**J5
WH18X28177 6
GTW680**J6
WH18X28177 6
GTW680**L0
WH18X28177 6
GTW680**L1
WH18X28177 6
GTW685**L0 / L1
WH18X28177 7
GTW750**L0 / L1
WH18X28178 8
GTW755**M0 / M1
WH18X28178 13
HTW200**K0 / K1
WH18X28174 7
HTW200**K2
WH18X28176 9
HTW200**K3 / K4
WH18X28176 0*
HTW240**K0 / K1
WH18X28174 0*
HTW240**K2
WH18X28176 10
HTW240**K3 / K4
WH18X28176 1
Note: For models GTW220**K0, K1and K2, HTW240**K0 and K1, and alsoHTW200**K3
and K4, the cycle status LED’s will not be lit for personality “0”.
*
2
Note: Solid circles indicate that particular cycle status LED is lit.

FIELD SERVICE MODE ENTRY
From an idle state only (all LEDs off), press
and hold Start button while rotating the cycle
selection knob 180 degrees (7 clicks) and
then release the Start button.
• Once service mode is entered all LEDs will
be flashing.
–On 7-segment display models: (0) will be
displayed for Test (0).
–On models without a 7-segment display: All
of the status LEDs above the cycle knob will
be lit.
• The cycle selection Knob is now used to
control the test selection menu.
–Rotating the knob clockwise will
increment the test numbers in the
display.
–Rotating the knob counter clockwise will
decrement the test number in the display.
–Models without 7-segment display: Will
display tests using the status lights above the
cycle knob in a binary format. (See Binary
Chart)
–Turning the knob to go to a different test will
terminate any current active state.
• Once the test number is selected, pressing Start
will begin the selected test.
Exit Field Service Mode
• Field service mode will time out after 30 minutes
if there is no user activity.
• Models without 7-segment display: Press and
hold the Start button for 3 seconds
• Models with a 7-segment display: Press Power
button
SERVICE MODE TEST 17-
Change Personality
Pressing Start will start the test. Press Start
button again and the next valid personality should
be displayed. Press and hold the Start button to
select the correct personality. The control will go to
an idle state. All LED’s off.
Note: Upon entering test 17 for models,
GTW220**K0, K1 and K2,
HTW240**K0 and K1, and also HTW200**K3
and higher
the cycle status LED’s will not be lit for
personality “0”.
Note: If the personality ID is already set and you
try to set the same personality the control will
NOT go to an idle state. Ensure the correct
personality ID is being entered.
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