American Dryer Corp AD-310 Phase 7 service manual Troubleshooting

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SECTION VII

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 ALLOWACCESS FOR CLEANING, ADJUSTING, INSTALLATION, or TESTING OFANY EQUIPMENT per OSHA(Occupational Safety and HealthAdministration)

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 handbook 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” (E-Stop) button pushed in.

2.Service panel fuses blown or tripped breaker.

3.Blown F2 (fuse 2) on microprocessor controller (computer) input/output (I/O) board.

4.Blown CB7 (Circuit Breaker) on right hand control panel.

5.Failed display board.

6.Failed communication cable.

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

8.Optional sprinkler circuit emergency relay is not engaged...

a.Service panel fuse blown or tripped breaker.

b.Sprinkler circuit hi-limit has tripped.

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Contents AD-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 AD-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 225º F 107º C Thermostat Redundant Gas Valve First Visual Check Second Visual Check Third Visual Check Troubleshooting the Direct Spark Ignition DSI System ManometerPage Page Page First Visual Check Second Visual Check Third Visual Check With a Flame DSI Ignitor/Flame-Probe Assembly Adjustments Page Flash Green Continuously Page With a Flame DSI Ignitor/Flame-Probe Assembly Adjustments Page Light RED Continuously Page Createapotentialsafety Hazard 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 Tumbler/Drum SECTION. Serious Injury can Result 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 ADC 450049 1- 09/14/00-25
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