American Dryer Corp MLS-460 manual Service, Power Malfunctions, Motors

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SECTION VII
SERVICE/PARTS INFORMATION		40
A. Service		40
B. Parts		40
SECTION VIII
WARRANTY INFORMATION		41
A. Returning Warranty Cards		41
B. Warranty		41
C. Returning Warranty Parts		41
SECTION IX
TROUBLESHOOTING		43
Troubleshooting TOC		43
A. Power Malfunctions		44
B. Tumbler (Basket) Section Electrical Malfunctions		55
C. Base Section Electrical Malfunctions		63
D. Pendant Control Malfunctions		67
E.	Temperature Sensing	70
F.	Motors	73
G.	PLC (Programmable Logic Controller) Error Messages	75

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Contents MLS-460 Installation/Operator’s Manual Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Service Power MalfunctionsMotors Section Important InformationSafety Precautions Explosion could ResultPage SPECIFICATIONS/DIMENSIONS SpecificationsDimensions Installation Procedures Reassembly of DryerReattach The Control Pendant Arm Reassembly Instructions For Dryers Shipped In Three 3 Pieces Page Location Requirements Internal AIR, ELECTRICAL, and Water Connections Air Front Tilt Piston and Sprinkler LinesPage Temperature Probe, Base, and Tumbler Basket Disconnects Electric Tumbler Basket MotorsPage Pendant Tumbler Basket Junction Box Disconnect Left Drum MotorExternal Supply Connections Condensate return line must be 1-1/4 pipe Exhaust Ducting Page Electrical Requirements Electrical RequirementsLatest Edition Electrical Service Specifications MLS-460 SteamPage Fresh AIR Supply Requirements Steam Information Steam RequirementsShut Down Instructions PRE START-UP Preparation for OperationSuggested Cleaning Schedule Routine MaintenanceCleaning Clean any lint accumulation from inside the heat consoleMonthly Component System Descriptions Tumbler Basket Support and Drive SystemPage Page Main AIR Blower and Heat Reclaimer System Heat Reclaimer Adjustment Remove Electricity from the Unit Compressed AIR System Page Safety Devices Door Open SERVICE/PARTS Information ServiceParts Warranty Warranty InformationReturning Warranty Cards Returning Warranty PartsPage Troubleshooting Troubleshooting Table of Contents NumberPower Malfunctions Verify red Sprinkler Power on main panel to be illuminatedMain Disconnect Will Not Turn On If NO, refer to paragraph #1 above Machine Main Power Shuts Down Blue Indicator Off Sprinkler circuit may be defective3CR CRB Not Used Sprinkler Circuit ComponentsSprinkler Circuit Description Page Emergency Stop E-Stop Buttons 1, 2, Malfunctioning PLC Programmable Logic ControllerPage PLC Message HI-TEMP Fault General DescriptionPage Page Tumbler Basket Section Electrical Malfunctions IntroductionDrum Rotation Sensor PRS1 Rear Panel Control Problems Emergency Stop E-Stop Function If YES, refer to a If NO, refer to b PLC OUT PIN 1 = Drum Reverse PLC OUT PIN 2 = Drum Forward PLC OUT PIN 7 = Unload Door Open PLC OUT PIN 10 = Front UP Wiring Back the PLC Programmable Logic Controller DS1-B=LOAD Door Switch DS2-B=UNLOAD Door SwitchProbable Solutions Base Section Electrical Malfunctions Lint Drawer Proximity Switches Wiring Back to the PLC Programmable Logic ControllerPage Probable Causes SEL a = Load SEL B = Unload Pendant Control MalfunctionsLoad Level Unload Tumbler Reverse Tumbler Forward Tumbler Reverse Pendant --- PB2Tumbler Forward Pendant --- PB1 MLS-460 Pendant Assembly Diagram Fuse 4 on Main Electrical Panel Faulty SwitchesWiring Back to PLC Programmable Logic Controller Wiring DiagramTemperature Sensing Disconnect Plug Faulty Switch Wiring Back to TB1Another Emergency Stop E-Stop Button Temperature Sensing Component Descriptions Exhaust RTD Resistive Temperature Device Sens1With the control voltage OFF Circuit Wiring to the Analog Input Module MotorsVerify current setting Check circuit Check motor Retest LS-460 Idling LS-460 Running ADC113073 1- 01/14/00-15