ADC AD-410 service manual Troubleshooting

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SECTION VI

TROUBLESHOOTING

IMPORTANT: YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY and THE GAS SUPPLY or THE STEAM SUPPLY BEFORE ANY COVERS or

GUARDS ARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING, ADJUSTING, INSTALLATION, or TESTING OFANY EQUIPMENT per OSHA (Occupational Safety and Health Administration)

STANDARDS.

The information provided will help isolate the most probable components associated with the difficulty described. The experienced technician realizes, however, that a loose connection or broken/shorted wire may be at fault where electrical components are concerned... not necessarily the suspect component itself. Electrical parts should always be checked for failure before being returned to the factory.

IMPORTANT: When replacing blown fuses, the replacement must be of the exact rating as the fuse being replaced. The information provided should not be misconstrued as a hand- book for use by an untrained person in making repairs.

WARNING: ALL SERVICE and TROUBLESHOOTING SHOULD BE PERFORMED BYA QUALIFIED PROFESSIONAL or SERVICE AGENCY.

WARNING: WHILE MAKING REPAIRS, OBSERVE ALL SAFETY PRECAUTIONS DISPLAYED ON THE DRYER or SPECIFIED IN THIS MANUAL.

A.No Display...

1.“EMERGENCY STOP” button pushed in.

2.Service panel fuses blown or tripped breaker.

3.Blown F1 (fuse 1) or F2 (fuse 2) on right hand control panel.

4.Blown F4 (fuse 4) on right hand control panel.

5.Failed microprocessor controller (computer).

6.Optional sprinkler circuit emergency relay not engaged ...

a.Service panel fuse blown or tripped breaker.

b.Sprinkler circuit high limit has tripped.

NOTE: SPRINKLER MUST HAVE POWER FOR THE DRYER TO OPERATE.

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Contents American Dryer Corporation Retain This Manual In a Safe Place For Future Reference Important Note to PurchaserFor Your Safety Page Table of Contents Section Troubleshooting AD-410 Reference Guide Base Section AD-410 Operator CONTROLS/INDICATORS AD-410 Machine Operational SummaryControl Power On END of Cycle / Heater Fault Indicator / AIR JET AD-410 Machine Operation Troubleshooting Information AIR JETUnload Tilted Load TiltedDRY If Both AIR Flow Switches are not Open AT this Time GAS PressureImportant 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 Explosion could Result What to do if YOU Smell GASStandards National Electric Code ANSI/NFPA no -LATEST EditionCleaning Suggested Cleaning ScheduleLiquids Monthly Lubrication Adjustments Days After Installation and Every 6 Months ThereafterGas Dimensions AD-410 with Inlet AIR Adapter Installation Requirements Enclosure / AIR Supply / Exhaust RequirementsOperational Service Check Procedure Electrical Requirements and GAS RequirementsHeat Section Direct Spart Ignition DSI System COMPONENTS/FUNCTIONS24 VAC Direct Spark Ignition DSI Module Repairable ADC Direct Spark Ignition DSI Operation Flow Chart Troubleshooting the Direct Spark Ignition DSI System ManometerMAN0677 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 Steam Coil System Operation General OverviewPage 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