F. dryer operates but is taking too long to dry, Gas models – American Dryer Corp. AD-385 User Manual
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b. Ignitor sparks, burner lights but goes off right away...
1) Direct Spark Ignition (DSI) ignitor out of adjustment...or has failed.
2) Sail switch is fluttering...
a) Lint screen is dirty.
b) Restriction in exhaust duct work.
c. Ignitor does not spark and Direct Spark Ignition (DSI) module locks out (red LED
indicator light stays on)...
1) Fault in high voltage (HV) wire...break or loose connection.
2) Failed ignitor probe assembly.
3) Failed Direct Spark Ignition (DSI) module.
F. Dryer operates but is taking too long to dry...
1. Exhaust duct work run too long or is undersized...back pressure cannot exceed 0.3 inches water
column (W.C.).
2. Restriction in exhaust...
a. Customer-furnished exhaust back draft damper is sticking partially closed.
b. Restriction in duct work...check duct work from dryer all the way to the outdoors.
3. Insufficient make-up air.
4. ImpellorA)lower/fan (3-Phase [30] Models ONLY) rotating in the wrong direction.
5. Lint screen is dirty or is not being cleaned often enough.
6. Inadequate air flow...
a. Impellor (blower/fan) failure.
7.
Gas Models
a. Low and/or inconsistent gas pressure (Gas Models ONLY)...Natural Gas pressure
must be
between 3.5 inches and 4.0 inches of water column, and Liquid Propane (L.P.) pressure
4) Failed gas valve.
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