American Dryer Corp MLG-460 manual Door Open

Page 51

SAFETY DEVICES

LOCATION

FUNCTION

COMPUTER DISPLAY

RESULT OF

M ESSAGE

TRIPPING

 

 

 

 

 

 

 

 

Load Door Switch

Left side of load door

Insures dryer load doors

"DOOR OPEN"

Dryer will not run

are closed

 

 

 

 

 

 

 

 

 

Unload Door Switch

Right side of unload door

Insures dryer unload

"DOOR OPEN"

Dryer will not run

(2-Door Dryers Only)

door are closed

 

 

 

 

 

 

 

 

Tilting Switches

Top left side of base

Insures dryer is level

"LEVEL FAULT"

Dryer will not run

module

 

 

 

 

 

 

 

 

 

Drum Rotation Sensor

Left side of tumbler

Insures tumbler is

"DRUM FAULT"

Stops heat only

section

rotating

 

 

 

 

 

 

 

 

Lint Chamber Air

Center of heat console

Insures proper air flow

"AIRFLOW FAULT"

Stops heat only

Pressure Switch

through dryer

 

 

 

 

 

 

 

 

Burner Fan Air Flow

 

Insures proper

 

 

Switch

Center of heat console

combustion air flow into

"HEATER FAULT"

Stops heat only

(Gas Dryers Only)

 

the burner box

 

 

 

 

 

 

 

Hi/Lo Gas Pressure

Lower left of heat

Insures proper gas supply

"GAS SUPPLY

 

Switch

pressure for adequate

Stops heat only

console section

FAULT"

(Gas Dryers Only)

ignition

 

 

 

 

 

 

 

 

 

Heat Reclaimer Damper

Right side of heat

Insures that the heat

Input LED #13 of the

 

reclaimer is either opened

None

Switch

console

PLC is off

or closed

 

 

 

 

 

 

 

 

 

 

Heat Console Door

Inside heat console

Insures that access doors

"DOOR OPEN"

Dryer will not run

Access Door Switch

are closed

 

 

 

 

 

 

 

 

Exhaust Air Temp

Inside burner section

Monitors tumbler exhaust

"EXHAUST DSFL"

Stops heat only

Control Sensor

duct

air temp

 

 

 

 

 

 

 

Exhaust Air Hi Temp

Inside exhaust duct

Monitors tumbler exhaust

"HI-TEMP FAULT"

Stops heat only

Control Sensor

and air temp

 

 

 

 

 

 

 

 

Intake Air Temp Control

Top right of tumbler

Monitors tumbler air

"INTAKE DSFL"

Stops heat only

Sensor (optional)

seection

intake temp

 

 

 

 

 

 

 

Intake Air Temp Control

Top right of tumbler

Monitors tumbler air

"HI-TEMP FAULT"

Stops heat only

Sensor

section

intake temp

 

 

 

 

 

 

 

Burner Hi-Limit Safety

Top of burner section

Monitors air temp above

"HI-TEMP FAULT"

Stops heat only

Sensor

the burner box

 

 

 

 

 

 

 

 

 

 

Open sprinkler system

Orange sprinkler pilot

Opens the sprinkler

Sprinkler Control Safety

Top right of tumbler

water valve and

water valve on hi-temp

light comes on. Alarm

Sensor

section

power down the

condition

sounds

 

 

whole dryer

 

 

 

 

 

 

 

 

 

 

 

Disables machine when

 

 

Lint Drawer Switches

Above lint drawer

drawers are open or if

Lint Drawer

Dryer will not run

handles

drawers have not been

 

 

 

 

 

cleaned in last five loads

 

 

 

 

 

 

 

47

Image 51
Contents MLG-460 Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Service Parts Returning Warranty Cards Parts Returning Warranty PartsTroubleshooting TOC Section What to do if YOU Smell GAS Safety PrecautionsPage Specifications SpecificationsSpecifications Reassembly of Dryer Installation ProceduresPage 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 Preparation for Operation PRE START-UPCleaning Routine MaintenanceMonthly 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 Parts ServiceReturning Warranty Cards WarrantyReturning Warranty Parts Page Troubleshooting Power Malfunctions Possible SolutionsProbable 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 Unless the Water Valve to the Sprinkler is Closed General DescriptionBurner Section Input Circuit Component Description Burner Controller Input Signal ComponentsBurner Ignition IntroductionLoad Door Switch DS1B Stop Detector Relay Contact SMD no Output Signal Component DescriptionGAS 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 Components Tumbler Basket Section Electrical MalfunctionsFollowing is for 2-Door Models only Rear Panel Control Problems Probable Causes Possible Solutions PLC OUT PIN 7 = Unload Door Open PLC OUT PIN 10 = Front UP Unload 1 Selection Probable CausesDoor Open Problem Drum Fault Message Malfunction Probable Causes Page Base Section Electrical Malfunctions Front Door SwitchRear Down Switch LS2 Lint Drawer Proximity SwitchesLint Chamber Pressure Switch PS3 Tumbler Basket Tilt Problems Level FaultProbable Solutions Page Lint Screen Mechanism Problem Screen Fault Lint Chamber Air Pressure Problem AIR Fault Pendant Electrical Components Pendant Control MalfunctionsVerify Pendant Electrical Signals ML-460 Pendant Assembly Diagram Temperature Sensing Page Temperature Measurement and Sensing Problems Motors Circuit Wiring to the Analog Input ModuleMotor Protection Device Descriptions Motor Actuation Problems Probable CausesAIR Fault Screen FaultMotor Fault GAS Fault