American Dryer Corp MLG-460 manual

Page 88

•If no, check associated:

•Switch and Wiring

•Check wiring back to the Base Electrical Junction Box

•Check PLC (Programmable Logic Controller)

•Refer to Wiring Diagrams:

•Main Electrical Panel Diagram

•Base Electrical Junction Box Wiring Diagram.

•Retest; verify that the signal is operational.

3b) Place the dryer in the UNLOAD position; TILTED FORWARD

•Actuate the Rear Down switch by hand.

•Have someone verify that PLC (Programmable Logic Controller) input L.E.D. (light emitting diode) #12 lights when the switch actuator is down, and is OFF when the actuator is up.

•Does L.E.D. (light emitting diode) #12 come “ON” when the switch is down?

•If yes, wiring is OK.

•Check switch, actuator placement and tilt actuation.

NOTE: If actuator is at a 90° or greater angle with the base, the actuator will damage if machine is lowered.

•If no, check associated:

•Switch and Wiring.

•Check wiring back to the Base Electrical Junction Box.

•Check PLC (Programmable Logic Controller).

•Refer to Wiring Diagrams:

•Main Electrical Panel Diagram

•Base Electrical Junction Box Wiring Diagram.

•Retest; verify that the signal is operational.

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Contents MLG-460 Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Returning Warranty Cards Parts Returning Warranty Parts Service PartsTroubleshooting TOC Section Safety Precautions What to do if YOU Smell GASPage Specifications SpecificationsSpecifications Installation Procedures Reassembly of DryerPage Page Location Requirements Internal AIR, Electric and Water Connections Page Page Page Page Page Left Drum Motor External Supply Connections Page Page Electrical Requirements Electrical RequirementsMLG-460 Page Fresh AIR Supply Requirements PRE START-UP Preparation for OperationRoutine Maintenance CleaningMonthly Component System Descriptions Page Page Main AIR Blower and Heat Reclaimer System Page Compressed AIR System Page Page GAS Burner and Ignition System Switch #2 Intermittent Pilot Page Page Page Page Page Page Page Safety Devices Door Open Service PartsWarranty Returning Warranty CardsReturning Warranty Parts Page Troubleshooting Possible Solutions Power MalfunctionsProbable Causes No Control Power Blue Light Off Machine Main Power Shuts Down Blue Indicator Off 2CRB Sprinkler Circuit Description Page Front Panel Blue Light and RED Light on Possible Solutions General Description Unless the Water Valve to the Sprinkler is ClosedBurner Controller Input Signal Components Burner IgnitionIntroduction Burner Section Input Circuit Component DescriptionLoad Door Switch DS1B Output Signal Component Description Stop Detector Relay Contact SMD noGAS Fault Message gas system only Heater Fault Message Possible Solutions Page Page AIR Fault Message HI-TEMP Fault Message Possible Solutions Drum Fault Message Page Tumbler Basket Section Electrical Malfunctions Tumbler Basket Section Electrical ComponentsFollowing is for 2-Door Models only Rear Panel Control Problems Probable Causes Possible Solutions Unload 1 Selection Probable Causes PLC OUT PIN 7 = Unload Door Open PLC OUT PIN 10 = Front UPDoor Open Problem Drum Fault Message Malfunction Probable Causes Page Front Door Switch Rear Down Switch LS2Lint Drawer Proximity Switches Base Section Electrical MalfunctionsTumbler Basket Tilt Problems Level Fault Lint Chamber Pressure Switch PS3Probable Solutions Page Lint Screen Mechanism Problem Screen Fault Lint Chamber Air Pressure Problem AIR Fault Pendant Control Malfunctions Pendant Electrical ComponentsVerify Pendant Electrical Signals ML-460 Pendant Assembly Diagram Temperature Sensing Page Temperature Measurement and Sensing Problems Circuit Wiring to the Analog Input Module MotorsMotor Actuation Problems Probable Causes Motor Protection Device DescriptionsScreen Fault Motor FaultGAS Fault AIR Fault