ADC AD-410 service manual 107

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H.Both drive motor and blower (fan and impellor) motor are not operating...microprocessor controller (computer) L.E.D. (light emitting diode) motor indicator dots and the “door” L.E.D. indicator are on but the relay output L.E.D. indicators are off (microprocessor controller [computer] L.E.D. display does not read “door”).

1.Failed microprocessor controller (computer).

I.Microprocessor controller (computer) L.E.D. (light emitting diode) display reads “dSFL” continuously and the buzzer (tone) sounds every thirty (30) seconds...

1.Fault in microprocessor heating sensing circuit ...

a.Failed microprocessor temperature sensor.

b.Blown “dSFL” 1/8-amp fuse on the microprocessor controller (computer).

c.Failed microprocessor controller (computer).

d.Broken wire or connection between the microprocessor controller (computer) and the micro- processor temperature sensor.

J.Microprocessor controller (computer) L.E.D. (light emitting diode) display reads “door” and the microprocessor controller (computer) “DOOR” L.E.D. indicator is off...

1.Fault (open circuit) in main door or lint drawer switch circuit ...

a.Lint drawer not closed all the way.

b.Lint drawer switch is out of proper adjustment.

c.Failed lint drawer switch.

d.One (1) of the main door switches has failed.

e.One (1) of the main door switch contact magnets is either missing or is broken.

f.Failed door switch relay.

g.Broken wire or connection in main door or lint drawer switch circuit.

h.Drive motor or blower (fan and impellor) motor thermal overload reset has tripped.

2.Failed 24 VAC step down transformer.

3.Master control relay (MCR) not engaged.

4.Blown 24 VAC control circuit fuse (fuse 3 [F3]).

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Contents American Dryer Corporation Important Note to Purchaser Retain This Manual In a Safe Place For Future ReferenceFor Your Safety Page Table of Contents Section Troubleshooting AD-410 Reference Guide Base Section AD-410 Machine Operational Summary AD-410 Operator CONTROLS/INDICATORSControl Power On END of Cycle / Heater Fault Indicator / AIR JET AIR JET AD-410 Machine Operation Troubleshooting InformationLoad Tilted Unload TiltedDRY GAS Pressure If Both AIR Flow Switches are not Open AT this TimeImportant Information System Ladder Diagram ONE 1 Burner will not Ignite AT the Beginning of a CycleONE 1 Burner will not Ignite During a Drying Cycle Optional Sprinkler Control Signals Solenoid ControlLint Drawer / Guard Status Page What to do if YOU Smell GAS Explosion could ResultNational Electric Code ANSI/NFPA no -LATEST Edition StandardsCleaning Suggested Cleaning ScheduleLiquids Monthly Lubrication Days After Installation and Every 6 Months Thereafter AdjustmentsGas Dimensions AD-410 with Inlet AIR Adapter Enclosure / AIR Supply / Exhaust Requirements Installation RequirementsElectrical Requirements and GAS Requirements Operational Service Check ProcedureDirect Spart Ignition DSI System COMPONENTS/FUNCTIONS Heat Section24 VAC Direct Spark Ignition DSI Module Repairable ADC Direct Spark Ignition DSI Operation Flow Chart Manometer Troubleshooting the Direct Spark Ignition DSI SystemMAN0677 Page If not, refer to the Second Visual Check on First Visual Check Second Visual Check Third Visual Check Are no Retries Leaks with a Flame Continuously Page Page Create a Potential Safety Hazard Page General Overview Steam Coil System OperationPage Page Page Page Sprinkler System Description Require any adjustment Page Page Supplies Before Servicing the Dryer MAN3169 Tilting System Description Page Tilting Pistons Page Page Page Page AIR JET Assembly Page Blower Squirrel Cage Fan Motor Assembly Leave enough movement for V-belt adjustment Page Important do not Overtighten V-BELTS Important do not Overtighten V-BELTS Page Page Filter and Regulator Assembly Door Systems Page Page Page Page Allow a full 72 hours for the silicone to cure Page Control and Electrical System Page Button does not Disable the High Voltage to the Dryer If the Opposite Side is not LEVEL, the Dryer will not Tilt ºC + Page Page Page Page Page Page MAN3405 Page Page Page Tumbler Basket System Important do not Over Tighten Turnbuckle Install new V-belts Tighten turnbuckle For Gear Reducer removal refer to Section d on page 99 Page Do not tighten 101 102 103 Troubleshooting Drive motor is not operating does not start Impellor fan motor is not operating does not start 107 108 Dryer operates but is taking too long to dry Excessive noise and vibration Dryer will not level from a tilt position Procedure for Functional Check Replacement Components 113 ADC450414 1- 05/27/99-25