American Dryer Corp ML-310 Phase 7 Troubleshooting the Direct Spark Ignition DSI System

Page 27

B. TROUBLESHOOTING THE DIRECT SPARK IGNITION (DSI) SYSTEM

NOTE: The troubleshooting information provided in this manual is intended for use by qualified service technicians only. OBSERVEALLSAFETY PRECAUTIONS displayed on the equipment or specified in the ML-310 Phase 7 Tilting Installation Manual (ADC Part No. 113127) included with the dryer.

IMPORTANT: UNDER NO CIRCUMSTANCES SHOULD ANY SAFETY or HEAT CIRCUIT DEVICES EVER BE DISABLED.

THE FOLLOWING PIECES OF TEST EQUIPMENT WILL BE REQUIRED TO TROUBLESHOOT

THIS SYSTEM WITH MINIMAL TIME AND EFFORT

DSI IGNITOR GAP FEELER GAUGE

(1/8” [3.175 mm])

Used For Checking Gap Between Ignitor/

MANOMETERFlame-Probe Assembly and Spark Electrode Used To Measure Gas Pressure In Inches

Of Water Column (W.C.)

Available From ADC

MULTIMETER/VOLTMETER

For Measuring Voltage

Available From ADC

2 3

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Contents ML-310 Phase Important Note to Purchaser Retain This Manual In a Safe Place For Future ReferenceFor Your Safety Page Table of Contents Section Procedure for Functional Check of Replacement ML-310 Reference Guide Base Section Explosion could Result SectionStandards Liquids CleaningAT 80 PSI 5.51 Bars Every 3 Months LubricationDays After Installation and Every 6 Months Thereafter AdjustmentsSpecifications and Dimensions Dimensions Obligation Obligation ENCLOSURE/AIR SUPPLY/EXHAUST Requirements Installation RequirementsElectrical and GAS Requirements Operational Service Check ProcedureDirect Spark Ignition DSI System COMPONENTS/FUNCTIONS Heat SectionVAC Direct Spark Ignition DSI Modules Valves are not Field Repairable First Visual Check Second Visual Check Third Visual Check DSI Ignitor GAP Feeler Gauge Troubleshooting the Direct Spark Ignition DSI SystemPage 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 Made of Brass and can be Easily Damaged CreateapotentialsafetyhazardGeneral Overview Steam Coil System OperationPage 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 Regulator Operation FILTER/REGULATOR AssemblyDoor 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