4.3
Owner's of the ADC Clothes Dryer AD-310 gave it a score of 4.3 out of 5. Here's how the scores stacked up:
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1. Direct Spark Ignition (DSI) Troubleshooting Terms (definitions)
a. DSI (Direct Spark Ignition) MODULE "RED" L.E.D. (Light Emitting Diode) INDICATOR LIGHT
This "red" L.E.D. (light emitting diode) light is located in the upper right corner of the DSI (Direct Spark
Ignition) module (refer to the top illustration on page 30). This is a diagnostic indicator that simplifies
the operational and troubleshooting procedures of the DSI system.
b. LOCK-OUT MODE - DSI (Direct Spark Ignition) module "red" L.E.D. (light emitting diode) indicator
light stays on continuously. This indicates there is a system fault and most likely
the fault is the DSI module itself.
c. FLAME-OUT - burner flame shut down by the DSI (Direct Spark Ignition) 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
a. Preliminary Steps
The following steps must be preformed to minimize the time required to isolate cause of fault.
1) DSI (Direct Spark Ignition) module L.E.D. (light emitting diode) 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 elsewhere in
the dryer (i.e., dryers' heat circuit [sail switch, hi-limit
circuits], etc.).
2) DSI (Direct Spark Ignition) module L.E.D. (light emitting diode) 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 (Direct Spark Ignition) module L.E.D. (light emitting diode) 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 (Direct Spark Ignition) module L.E.D. (light emitting diode) indicator lights "red" continuously...
LOCK-OUT 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 stay on continuously) again, replace the DSI module.
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