48
e. Open main door. The dryer
must stop
and
ALL
indicator lights on the back side of the
microprocessor (computer) board
must go out
. (Refer to
illustration
on the previous page
[
page 46
].)
f. Try to restart the dryer with the main door open.
g. The microprocessor (computer) board's L.E.D. display
must read
DOOR
."
h. Close the main door and restart the dryer.
i. Functional check of microprocessor (computer) board is complete.
2. Direct Spark Ignition (DSI) System
a. Upon completing installation of the replacement
Direct Spark Ignition (DSI) module, reestablish
power to the dryer.
b. Starting the drying cycle.
c. The ignition (DSI) module's L.E.D. indicator will
light "red" for up to approximately 1.5 seconds
(pre-perge time).
d. The module's indicator light will then turn
"green." The gas valve will be energized and
the ignitor probe will spark for approximately 8
seconds. The burner flame should now be
established.
e. With the burner flame on, remove the flame
sensor wire from the FS terminal of the DSI
module.
f. The burner flame
must shut off
and the ignition module
must lock out
with the DSI module's
indicator light "red."
g. Stop the drying cycle, with the flame sensor wire still removed, restart the drying cycle.
h. The ignition module
must proceed
through the pre-purge, with the indicator light "red," the
ignition trial time of approximately 8 seconds, with the indicator light "green," and then proceed to
lock out with the indicator light "red."
i. Functional check of the Direct Spark Ignition (DSI) Module is complete.
1) Replace the flame sensor wire from the FS terminal to the DSI module.
Summary of Contents for ADE-75
Page 22: ...18...