GE DCB330EY, Technical Service Manual, Page: 5 / 42

4
To replace Countback Display PC Board:
WARNING! THE STEP DOWN CAPACITOR
ON PC BOARD IS 120 VOLTS, AND POWER
MUST BE REMOVED PRIOR TO SERVICING.
THE TRACES ON THE BOARD RUNNING TO
THE CAPACITOR ARE HOT!
1. Remove the four screws in the top of
the control panel.
2. Disconnect harness connector to PC
board.
3. Pull 6 tabs as shown in illustration, one
at a time, starting at connector end,
while applying slight upward pressure,
until all tabs are released. Remove
PCboard.
4. With PCboard cover exposed, lift up on
either end of cover and release the
four tabs, one at a time until the cover
is release and remove.
5. To reinstall, align the PC board cover,
and press carefully. The tabs are
beveled to make installation easy.
6. Align PC board, by inserting the
counter end under the tab in plastic
pcboard cover at the counter opening,
and moving towards the connector
end, carefully press into place, so that
each tab snaps into place. Reconnect
harness connector, and reinstall.
control panel and four screws.
To verify correct operation of Countdown
Display Board:
1. Make sure power is ON to dryer.
2. Advance coin box timer one cycle.
3. The display should read “88” for two to
three seconds, then default to the dip switch
settings. (factory setting is “45”).
4. At the same time the “88” display is shown
the four indicator LED’s should light for 2-3
seconds. Next the “Press Start” LED will blink
and other indicator lights will go off. (if dryer
door is NOT open)
5. Replace the board if LED’s and Display
do not function as described in #3 and #4
above.
NOTE: The board does not control any cycle
time duration of the dryer. The dryer will
function normally if there is a complete
failure of the board. It is the owners’
discretion whether or not the board should
be replaced.
COUNTDOWN DISPLAY DIAGNOSTICS