American Dryer Corp MDG-30 installation manual Dryer operates but is taking too long to dry

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1.Direct Spark Ignition (DSI) ignitor and flame-probe are out of adjustment, reposition closer to the flame area.

2.Sail switch is fluttering...

a.Lint screen is dirty.

b.Restriction in exhaust ductwork.

3.Insufficient make-up air.

4.Failed ignitor and flame-probe assembly.

5.Failed DSI module.

6.Failed gas valve.

N.Heating unit is not operating (no heat) 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 screen is dirty.

2)Restriction in exhaust ductwork.

2.Fault in burner hi-limit circuit or thermostat.

3.Fault in lint chamber sensor bracket hi-heat protector thermostat.

4.Failed DSI module.

5.Failed DSI ignitor and flame-probe assembly.

6.Failed microprocessor controller (computer).

O.Dryer operates but is taking too long to dry...

1.Exhaust ductwork run is too long or is undersized, back pressure must be no less than 0 and cannot exceed 0.3 inches (0.74 mb) of water column (W.C.).

2.Restriction in exhaust ductwork...

a.Exhaust back draft damper is sticking partially closed.

b.Restriction in ductwork, check ductwork from dryer ALL the way to the outdoors.

3.Low or inconsistent gas pressure.

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Contents MDG-30 Coin Installation Manual Retain This Manual In a Safe Place For Future Reference Foryour Safety Page Table of Contents Section Procedure for Functional Check of Replacement Receiving and Handling Important InformationWhat to do if YOU Smell GAS Safety PrecautionsPage Specifications SpecificationsSpecifications GAS only Unpacking and Setting UP Installation ProceduresLocation Requirements Dryer Enclosure Requirements Fresh AIR Supply Requirements Exhaust Requirements Single Dryer Venting Vertical Venting Multiple Dryer Common Venting Illus. D Importantventingreminders Electrical Requirements Electrical InformationMust be Provided Single-Phase 1ø Electrical Connections Leads 120 GASGAS Information Rating Kcal/hr22,680 This Pipe Size Requirement Page Preparation for Operation and START-UP Preoperational Tests Basket Tumbler Coating Preoperational InstructionsPage Select Temperature Shutdown Instructions Service SERVICE/PARTS InformationParts Returning Warranty Cards Warranty InformationWarranty Cleaning Routine MaintenanceSuggested Cleaning Schedule Lubrication AdjustmentsNo light emitting diode L.E.D. display TroubleshootingDrive motor is not operating does not start Microprocessor controller computer display reads dSFL Blower motor is not operating does not startNo heat, ignitor sparks, burner goes on and off right away Microprocessor controller computer display reads doorDryer operates but is taking too long to dry Dryer is making scraping noise at basket tumbler area Condensation on main door glassExcessive noise or vibration Main burners are burning with a yellow flame Heating unit is not operating all temperature selectionsDryer operates but is taking too long to dry load Dryer is cycling on hi-limit thermostat Data Label Datalabel InformationSerial Number Procedure for Functional Check Replacement Components Page Page Burner Manual Reset HI-LIMIT Instructions 12/15/99-150