American Dryer Corp. AD-385 User Manual
Page 44
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1. Loose connection in main power circuit to microprocessor controller (computer).
2. Loose connection in wires between the temperature sensor and microprocessor controller
(computer).
K. Gas heating unit is not operating (no heat)...no spark at burner area when dryer is first
started and heat indicator dot is on...
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 drawer or lint screen is dirty or clogged.
2) Restriction in exhaust duct work.
2. Fault in burner hi-limit circuit or thermostat.
3. Fault in lint chamber sensor bracket hi-heat protector thermostat.
4. Failed Direct Spark Ignition (DSI) module (burner control).
5. Failed DSI ignitor/flame-probe assembly.
6. Failed microprocessor controller (computer).
L. No heat (gas models)...ignitor sparks, burner goes on and off right away...
1. DSI ignitor/flame-probe out of adjustment...reposition closer to the flame area.
2. Sail switch is fluttering...
a. Lint drawer/screen is dirty or clogged.
b. Restriction in exhaust duct work.
3. Insufficient make-up air.
4. Failed ignitor/flame-probe assembly.
5. Failed Direct Spark Ignition (DSI) module (burner control).
6. Failed gas valve.
M. Dryer operates, but is taking too long to dry...
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