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American Dryer Corp. AD-230 User Manual

Page 47

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2. Direct Spark Ignition (DSI) System

a. Upon completing installation of the replacement

Direct Spark Ignition (DSI) module, reestablish

power to the dryer.

b. Start the drying cycle.

c. The ignition (DSI) module's L.E.D. indicator will

light "red" for up to approximately 1.5 seconds

(prepurge 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."

e. Open main door. The dryer must stop and ALL indicator lights on the back side of the microprocessor

(computer) board must go out.

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.

g Stop the drying cycle, with the flame sensor wire still removed, restart the drying cycle.

h. The ignition module must proceed through the prepurge, 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.