American Dryer Corp ADG-464 manual Unload 1 Selection Probable Causes

Page 82

4.0 UNLOAD 1 Selection

a)PROBABLE CAUSES;

1a) Rear Panel Disconnect Plug.

2a) Defective Switch.

3a) Wiring Back to Main Electrical Enclosure.

b)POSSIBLE SOLUTIONS;

1b) If the O UNLOAD 1 Switch does not respond when selected:

•Verify that the rear panel controls disconnect plug is indeed connected. This disconnect plug allows for the removal of the rear control panel for drying servicing.

2b) Defective O UNLOAD 1 Selector Switch

•Shut power off at the main breaker and remove the rear panel and check switches using an OHM meter; replace if defective.

3b) Wiring Back to the Main Electrical Enclosure

•With the control voltage “ON” Front Panel Green Button

•Select “1” on the “O UNLOAD” switch located on the rear control panel. Does the PLC (Programmable Logic Controller) IN PIN 19 = UNLOAD, REAR PANEL light?

•If yes, refer to paragraph 3a on page 76.

•If no, refer to paragraph 4b on page 76.

4b) The L.E.D. (light emitting diode) “ON” on the PLC (Programmable Logic Controller) indicates are also illuminating when the O UNLOAD 1 selector switch is on “1”.

PLC OUT PIN 7 = UNLOAD DOOR (OPEN)

PLC OUT PIN 10 = FRONT UP

•If output indicators are functional, however the UNLOAD DOORS or FRONT UP commands are not executed correctly:

•Check wiring on the MAIN ENCLOSURE PANEL (refer to the AD-464 MAIN PANEL WIRING DIAGRAM)

•Check wiring associated with the Solenoid Junction Box

•Refer to troubleshooting procedures associated with the Solenoid Junction Box

78

Image 82

Contents ADG-464 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/DIMENSIONS SpecificationsDimensions 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 RequirementsElectrical Service Specifications PER Dryer 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 Additives or SolventsPage Page GAS Burner and Ignition System Switch #1 Recycling Mode Page Page Page Page Page Page Page Safety Devices Level Fault 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 If no, go to on Possible Solutions General Description Unless the Water Valve to the Sprinkler is ClosedIntroduction Burner Controller Input Signal ComponentsBurner Ignition 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 Lint Drawer Proximity Switches Front Door SwitchRear Down Switch LS2 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 Wiring Diagram Temperature Sensing Page Temperature Measurement and Sensing Problems Circuit Wiring to the Analog Input Module MotorsMotor Actuation Problems Probable Causes Motor Protection Device DescriptionsPLC Programmable Logic Controller Error Messages Burner Controller stops heat