American Dryer Corp ML-310 Phase 7 Impellor fan motor is not operating does not start

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f.V-belts are too tight.

g.Dryer has an oversized load.

h.Voltage to the dryer is incorrect...check dryer data label for specified voltage.

2.Failed overload protector...

a.Incorrect overload setting.

E.Impellor (fan) motor is not operating (does not start)...

*Microprocessor controller (computer) input/output (I/O) board “FAN” relay output indicator is on.

1.Blown blower (fan and impellor) motor overloads.

2.Failed blower (fan and impellor) motor contactor (relay).

3.Failed blower (fan and impellor) motor.

4.No 24 VAC present at fan motor contactor coil.

*Microprocessor controller (computer) I/O board “FAN” relay output indicator is off.

1.Failed microprocessor controller (computer) I/O board.

F.Blower (fan and impellor) motor operates okay for a few minutes and then either repeatedly or occasionally trips the overload protector...

NOTE: When the overload protector trips, the microprocessor controller (computer) I/O board red light emitting diode (L.E.D.) “FNOL” will be off and the display will read “Fan Overload Fault.”

1.Motor is overheating...

a.Motor air vents clogged with lint.

b.Low voltage to motor.

c.Failed motor.

d.Basket (tumbler) is binding...check for an obstruction.

e.Failed gear reducer or basket (tumbler) bearing.

f.V-belts are too tight.

g.Motor is running at incorrect voltage.

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Contents ML-310 Phase Retain This Manual In a Safe Place For Future Reference Important Note to PurchaserFor Your Safety Page Table of Contents Section Procedure for Functional Check of Replacement ML-310 Reference Guide Base Section Section Explosion could ResultStandards Cleaning LiquidsAT 80 PSI 5.51 Bars Lubrication Every 3 MonthsAdjustments Days After Installation and Every 6 Months ThereafterSpecifications and Dimensions Dimensions Obligation Obligation Installation Requirements ENCLOSURE/AIR SUPPLY/EXHAUST RequirementsOperational Service Check Procedure Electrical and GAS RequirementsHeat Section Direct Spark Ignition DSI System COMPONENTS/FUNCTIONSVAC Direct Spark Ignition DSI Modules Valves are not Field Repairable First Visual Check Second Visual Check Third Visual Check Troubleshooting the Direct Spark Ignition DSI System DSI Ignitor GAP Feeler GaugePage Page Page First Visual Check Second Visual Check Third Visual Check With a Flame GAP on the Ignitor/Flame-Probe Page Flash Green Continuously Page With a Flame GAP on the Ignitor/Flame-Probe Page Light RED Continuously Page Createapotentialsafetyhazard Made of Brass and can be Easily DamagedSteam Coil System Operation General OverviewPage Page Page Page Sprinkler System Description MAN3488 Page Supplies Before Servicing the Dryer Page Page Tilting System Description Page Page Page Page Page AIR JET Assembly Page Blower Squirrel Cage Fan Motor Assembly Page Page Important do not Overtighten V-BELTS Important do not Overtighten V-BELTS Page Page FILTER/REGULATOR Assembly Regulator OperationDoor Systems Manual Doors Automatic Doors Page Page Page Control and Electrical System Ladder Diagram Page Button does not Disable the High Voltage to the Dryer Page ºC + ºC + ºK Page Page Page Page Page Page Tumbler/Drum SECTION. Serious Injury can Result Page Basket Tumbler Drive System Important do not Overtighten Turnbuckle Important do not Overtighten Turnbuckle Page Page Important do not Overtighten Turnbuckle Page Page Page Phase 7 OPL System Diagnostics Inputs RED Outputs Green Fdrc RED L.E.D Lint RED L.E.D 100 101 Troubleshooting Drive motor is not operating does not start Impellor fan motor is not operating does not start 105 106 Dryer operates but is taking too long to dry Excessive noise and vibration 109 Procedure for Functional Check Replacement Components 111 ADC450421 1- 10/03/00-10