American Dryer Corp. MD-170 Clothes Dryer User Manual


 
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c. Ignitor does not spark and Direct Spark Ignition (DSI) module "LOCKS-OUT" ("red" L.E.D. [light
emitting diode] indicator light stays on) ...
1) Fault in high voltage (HV) wire...
a) Break in wire.
b) Loose connection.
c) Failed ignitor probe assembly.
d) Failed Direct Spark Ignition (DSI) module.
STEAM MODELS
1. No (external) compressed air (80 PSI [552 kPa] required) to steam damper solenoid.
2. Flow control valve
is not adjusted correctly ...
a. Too much restriction.
3. Failed steam damper pneumatic (air) solenoid.
4. Damper stuck in "closed" position...
a. Check for obstruction.
5. Leak in the pneumatic (air) system.
6. Failed air piston.
W. 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
(0.74 millibars).
2. Restriction in exhaust ...
a. Customer-furnished exhaust back draft damper is sticking partially closed.
b. Restriction in duct work ...
1) Check duct work from dryer ALL the way to the outdoors.
3. Insufficient make-up air.
4. Impellor (blower/fan) "squirrel cage" is rotating in the wrong direction.
5. Lint drawer screen is dirty or is not being cleaned often enough.
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