American Dryer Corp ML-310 Phase 7 service manual Inputs RED Outputs Green

Page 101

FAN CONTACTOR FAULT - The fan contactor was not pulled in.

FRONT BURNER HI-LIMIT FAULT - Indicates the temperature disk in the front burner has opened. REAR BURNER HI-LIMIT FAULT - Indicates the temperature disk in the rear burner has opened.

FRONT BURNER VALVE FAULT - Indicates front gas valve is not working or no gas is turned on or flame out. REAR BURNER VALVE FAULT - Indicates rear gas valve is not working or no gas is turned on or flame out. FRONT BURNER IGNITION CONTROL FAULT - Front ignition module is not working or failure to ignite.

REAR BURNER IGNITION CONTROL FAULT - Rear ignition module is not working or failure to ignite. ROTATION FAULT - Indicates the basket (tumbler) is not rotating.

BAD PROBE - Indicates the temperature probe is open or shorted.

LOW VOLTAGE FAULT - Indicates power has dropped below the operating values and will shut down.

B.INPUT/OUT (I/O) BOARD INPUT and OUTPUT LIGHT EMITTING DIODE (L.E.D.) INDICATORS

INPUTS: (RED)

OUTPUTS: (GREEN)

1.

FDRC - Front Door Closed

1.

R_HEAT - Rear Heat

2.

FDRO - Front Door Open

2.

ALERT - Audio Alert Horn

3.

TBOL - Basket (tumbler) Overload

3.

FWD - Basket (tumbler) Forward

4.

FNOL - Fan Overload

4.

REV - Basket (tumbler) Reverse

5.

RDWN - Rear Down

5.

AIR JET - Air Jet On

6.

FDWN - Front Down

6.

FAN - Blower Fan On

7.

RDRC - Rear Door Closed

7.

F_HEAT - Front Heat

8.

RDRO - Rear Door Open

8.

AUX - Auxiliary Relay

9.

FAN - Blower Fan On

9.

PRG1 - Programmable Output #1

10.

RBHL - Rear Burner Hi-Limit

10.

PRG2 - Programmable Output #2

11.

R_SS - Rear Sail Switch

11.

PRG3 - Programmable Output #3

12.

FBHL - Front Burner Hi-Limit

12.

PRG4 - Programmable Output #4

13.

F_SS - Front Sail Switch

13.

OCL1 - Open Collector #1

14.

EXHL - Exhaust Hi-Limit

14.

OCL2 - Open Collector #2

15.

DRY - Dry Enable Bit

15.

OCL3 - Open Collector #3

16.

LINT - Lint Drawer

16.

OCL4 - Open Collector #4

17.

24VM - Control Voltage at Spare Inputs

17.

OCL5 - Open Collector #5

18.

FVLV - Front Gas Valve

18.

OCL6 - Open Collector #6

19.

RVLV - Rear Gas Valve

19.

OCL7 - Open Collector #7

20.

SPR1 - Spare #1

20.

OCL8 - Open Collector #8

21.

SPR2 - Spare #2

21.

EOC - End Of Cycle Light

22.SPR3 - Spare #3

23.SPR4 - Spare #4

24.SPR5 - Spare #5

25.+24 - Fuse #2 Board 24 Volt AC

26.24IN - Board 24 Volt AC

27.MCR+ - Control Voltage 24 Volts AC

9 7

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Contents ML-310 Phase Important Note to Purchaser Retain This Manual In a Safe Place For Future ReferenceFor Your Safety Page Table of Contents Section Procedure for Functional Check of Replacement ML-310 Reference Guide Base Section Explosion could Result SectionStandards Liquids CleaningAT 80 PSI 5.51 Bars Every 3 Months LubricationDays After Installation and Every 6 Months Thereafter AdjustmentsSpecifications and Dimensions Dimensions Obligation Obligation ENCLOSURE/AIR SUPPLY/EXHAUST Requirements Installation RequirementsElectrical and GAS Requirements Operational Service Check ProcedureDirect Spark Ignition DSI System COMPONENTS/FUNCTIONS Heat SectionVAC Direct Spark Ignition DSI Modules Valves are not Field Repairable First Visual Check Second Visual Check Third Visual Check DSI Ignitor GAP Feeler Gauge Troubleshooting the Direct Spark Ignition DSI SystemPage Page Page First Visual Check Second Visual Check Third Visual Check With a Flame GAP on the Ignitor/Flame-Probe Page Flash Green Continuously Page With a Flame GAP on the Ignitor/Flame-Probe Page Light RED Continuously Page Made of Brass and can be Easily Damaged CreateapotentialsafetyhazardGeneral Overview Steam Coil System OperationPage 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 Regulator Operation FILTER/REGULATOR AssemblyDoor 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 Page 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 ADC450421 1- 10/03/00-10
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