Gas models – American Dryer Corp. AD-385 User Manual
Page 47
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D. Heating unit is not operating (no heat) ...no voltage at heating unit (i.e., DSI module)
Gas Models
1. Fault in sail switch circuit...
a. Sail switch is out of adjustment or has failed.
b. Sail switch damper is not closing or is fluttering...
1) Lint screen is dirty.
2) Restriction in exhaust.
3) No exhaust air flow...
a) Failed impellor (fan/blower).
' b) Fault in impellor (fan) motor circuit.
2. Failed burner hi-limit switch.
3. Failed lint chamber sensor bracket basket (tumbler) hi-limit switch or circuit.
4. Failed temperature selection switch or circuit.
5. Failed temperature cycle thermostat (try another selection).
6. Failed heat timer.
E. No heat...voltage is confirmed at heating unit (i.e., DSI module)...
Gas Models
1. Fault in Direct Spark Ignition (DSI) ignition system...
a. Ignitor sparks but no ignition and Direct Spark Ignition (DSI) module locks out (red LED
indicator light stays on)...
1) Ignitor probe assembly is out of adjustment or has failed.
2) Severe air turbulence.
3) Failed Direct Spark Ignition (DSI) module.
4) Failed gas valve.
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