American Dryer Corp MDG-50 Excessive noise or vibration, Drive motor only not operating

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T.Excessive noise or vibration

1.Dryer not leveled properly.

2.Impellor (fan and blower) out of balance

a.Excessive lint build up on impellor (fan and blower).

b.Failed impellor (fan and blower).

3.Loose basket (tumbler) tie rod.

4.Basket out of adjustment, or adjustment bolts (hardware) are loose.

5.Failed basket (tumbler) support.

6.Loose motor mount.

7.Failed idler or tumbler bearings.

8.V-belts either too tight or too loose.

U.Main burners are burning with a yellow flame

1.Burner air shutters are out of adjustment.

2.Insufficient makeup air.

3.Dust or lint in burner.

4.Insufficient gas pressure.

DUAL TIMER MODELS

A.Dryer will not start, both drive and blower motors not operating (indicator light is off)

1.Dryer control circuit fuse is blown.

2.Open at location, service main fuse or circuit breaker.

3.Failed push to start relay.

4.Failed door switch or circuit.

5.Failed heat timer.

6.Failed dual timer relay.

B.Drive motor (only) not operating

1.Failed drive motor contactor.

2.Failed reversing timer (for Reversing Models ONLY).

3.Failed drive motor.

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Contents MDG-50 Installation Manual Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Section Routine Maintenance Important Information SectionPersonal Injury or Fire could Result Safety PrecautionsPage Specifications SpecificationsSpecifications Unpacking and Setting UP Installation ProceduresLocation Requirements Dryer Enclosure Requirements Fresh AIR Supply Exhaust Requirements Single Dryer Venting Illus. B Multiple Dryer Common Venting ILLUS. D Importantventingreminders Electrical Requirements Electrical InformationMust be Provided Odfn Klwh Uhhq Important a Circuit Serving Each Dryer Must be Provided DG-50 GAS Injury and Improper Operation of the Dryer GAS InformationType of GAS Page Page Preparation for Operation and START-UP Preoperational Tests Preoperational Instructions Page OPL Models Shut Down Instructions Parts ServiceSection Returning Warranty CardsCleaning Routine MaintenanceLubrication AdjustmentsDrive motor not operating does not start TroubleshootingNo L.E.D. light emitting diode display Blower motor not operating does not start Microprocessor controller computer display reads door Microprocessor computer display reads dSFLNo heat, ignitor sparks, burner goes on and off right away Dryer operates but is taking too long to dry Dryer or scraping noise at basket tumbler area Condensation on main door glassDrive motor only not operating Excessive noise or vibrationMain burners are burning with a yellow flame Dryer operates but is taking too long to dry load Heating unit not operating ALL temperature selectionsBlower motor only not operating Dryer is cycling on hi-limit thermostat Data Label Technical InformationSerial Number Timing Legend Reversing Timer SPIN/DWELL AdjustmentsProcedure for Functional Check Replacement Components Direct Spark Ignition DSI System 10/30/00-150