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59
e. Open main door. The dryer must stop and
ALL output indicator lights on the back side of the
microprocessor (computer) board must go out. (Refer to illustration on previous page [
page 58].)
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-purge 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 lockout 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
lockout 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.
For Direct Spark Ignition (DSI) system models
manufactured with ADC Module Part No. 880815