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SECTION VIII
PROCEDURE FOR FUNCTIONAL CHECK OF
REPLACEMENT COMPONENTS
1. For Models With Johnson Controls DSI (Direct Spark Ignition) Module (G760)
Theory Of Operation;
Start the drying cycle. When the gas burner ignites within the chosen trial for ignition time (6-seconds), the
flame sensor detects gas burner flame and signals the Direct Spark Ignition (DSI) module to keep the gas
valve open...as long as there is a call for heat. The DSI module will LOCKOUT if the gas burner flame
is not sensed at the end of the trial for ignition period. The trial for ignition period will be repeated for a total
of three (3) retries/trials (the initial try and two [2] more retries/trials). If the flame
is not sensed at the end
of the third retry/trial (inter-purge period of 30-seconds) the DSI module will LOCKOUT (L.E.D. [light
emitting diode] flashes).
A steady L.E.D. (light emitting diode) indicator indicates normal operation.
No L.E.D. (light emitting diode) indicator indicates a power or an internal failure has occurred.