2.7
Owner's of the ADC Clothes Dryer AD-200 gave it a score of 2.7 out of 5. Here's how the scores stacked up:
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1. Direct Spark Ignition (DSI) Troubleshooting Terms (definitions) ADC (DSI) Control Module P/N 128973
a. DSI MODULE “RED” L.E.D. INDICATOR LIGHT - This “red” light emitting diode (L.E.D.) light is
located in the upper right corner of the DSI
module (refer to the top illustration on page
16). This is a diagnostic indicator that simplifies
the operational and troubleshooting procedures
of the DSI system.
b. LOCKOUT MODE - DSI module “red” L.E.D. indicator light stays on continuously. This indicates
there is a system fault and most likely, the fault is the DSI module itself.
c. FLAMEOUT - Burner flame shutdown by the DSI module due to lack of flame verification. This
condition occurs only after ignition is evident but is lost. The DSI system will immediately
attempt to relight the burner.
d. RECYCLE - Flame has been sensed but lost. Initiate a new sequence (THERE ARE NO RETRIES).
2. Troubleshooting and System Basic Diagnosis ADC (DSI) Control Module P/N 128973
a. Preliminary Steps
The following steps must be performed to
minimize the time required to isolate cause of fault.
1) DSI module L.E.D. indicator light is off (no
“red” or “green” light).
a) Check for voltage (approximately 24
VAC) across the DSI model terminals
“TH” and “GND”...
If voltage (approximately 24 VAC) is
evident, then, there is a malfunction within
the DSI module itself, and it must be
replaced.
If there is no voltage present, then problem is not the DSI module or the ignition system, the
problem is elsewhere in the dryer (i.e., dryer’s heat circuit [sail switch, hi-limit circuits, etc.]).
2) DSI module L.E.D. indicator lights “red” for approximately 1.5-seconds (prepurge). This indicates
that ALL the controls (including ALL the safety circuits) are functioning and power is being supplied
to the DSI module.
3) DSI module L.E.D. indicator lights “green.” This indicates a normal heating cycle. This also
indicates that the preliminary diagnostics of the module has confirmed that the DSI module is functional.
4) DSI module L.E.D. indicator lights “red” continuously...“LOCKOUT” mode. This indicates that
there is a system fault and most likely the fault is internal to the DSI module. To make sure, open
and close the main door. Restart the dryer...if the module LOCKS OUT (“red” L.E.D. indicator
light stays on continuously) again, replace the DSI module.
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