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American Dryer Corp
WDA-385 service manual ADC450179, 1- 01/08/98-50, 2* 05/21/98-50
Models:
WDA-385
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Troubleshooting
Install
To Replace Main Burner Orifices See Chart On Following Page
Maintenance
NOTE If the dryer is started the L.E.D. display indicator dots are on and there are no outputs heat and/or motor output L.E.D.s are off and the dOOr input L.E.D. is on, the fault is in the Phase 5 coin microprocessor controller computer itself. If the failure was elsewhere i.e., dryers door switch circuit the L.E.D. display would read dOOr if a keyboard entry was attempted. If the L.E.D. display indicators are on and the door L.E.D. input and motor/heat output L.E.D.s are on and the motor and/or heat is not active ON, then the problem is not the door switch circuit or the Phase 5 coin microprocessor controller the problem is else where in the dryer
A. Phase 5 Coin System Diagnostics
I. Motor Assembly
C. Operational Service Check Procedure
B. Adjustments
J. Temperature Sensors
Page 57
Image 57
ADC450179
1-
01/08/98-50
2*
05/21/98-50
Page 56
Page 57
Image 57
Page 56
Contents
ADG-385/WDA-385
Service Manual
1996 thru
121396MFM/tf
“IMPORTANT NOTE TO PURCHASER”
Retain This Manual In A Safe Place For Future Reference
DRYERS SHOULD NEVER BE LEFT UNATTENDED WHILE IN OPERATION
VERIFY PROPER OPERATION AFTER SERVICING
CHILDREN SHOULD NOT BE ALLOWED TO PLAY ON OR NEAR THE DRYERS
CHILDREN SHOULD BE SUPERVISED IF NEAR DRYERS IN OPERATION
FOR YOUR SAFETY
Maintenance
Table of Contents
Installation Requirements
Important Information
Technical Information
Trouble Shooting
A. Safety Precautions
SECTION
Important Information
Routine Maintenance
A. Cleaning
SECTION
C. Lubrication
B. Adjustments
Installation Requirements
A. Enclosure, Air Supply, and Exhaust Requirements
SECTION
B. Electrical and Gas Requirements
C. Operational Service Check Procedure
Page
A. Control Panel
Description of Parts
B. Control Box
C. Coin Box and Vault
D. Main Door Switch
E. Lint Coop
F. Tumbler
I. Motor Assembly
G. Tumbler Bearing and Pulley Arrangement
H. Idler Bearing
K. Sail Switch
J. Temperature Sensors
L. Motor Contactor 1Ø Motor
M. Non-Reversing Contactor 3Ø Motor
N. Hi-Limit Thermostat
To Replace Control Panel Assembly
Servicing
SECTION
To Replace Keypad refer to illustration above
To Replace Computer
To Replace Coin Acceptor
To Remove Optic Switch
To Replace Microprocessor Temperature Sensor Probe
To Replace Motor Contactor 2-Pole, 24VAC
NOTE DO NOT remove screws
A. Burner Controls Gas
To Replace Gas Valve
To Replace Spark Ignitor
To Test and Adjust Gas Water Column Pressure
To Replace Main Burner Orifices See Chart On Following Page
NEVER TEST FOR LEAKS WITH A FLAME
To Replace Burner Tubes
B. Thermostats and Temperature Sensor
To Replace DSI Module
To Replace Hi-Limit Thermostat 330º
To Remove The Temperature Sensor or High Heat Protector
To Replace Sail Switch
C. Sail Switch Assembly
To Replace Main Door Switch Steel Door
To Adjust Sail Switch
D. Front Panel and Main Door Assemblies
TO REPLACE MAIN DOOR ASSEMBLY STEEL DOOR
TO INSTALL NEW MAIN DOOR GLASS
NOTE Identify location of each wire for correct reinstallation
To Replace Front Panel
E. Tumbler and Bearing Assembly Remove backguard to access assembly
To Replace Tumbler Pulley
NOTE Check belt alignment before operating dryer
To Replace Rear Tumbler Bearing
IMPORTANT LOCTITE NOW BEING USED
NOTE Check alignment of pulleys before operating dryer
To Replace The Front Tumbler Bearing
To Replace Idler Pulley
F. Idler and Bearing Assembly
Remove backguard to access assembly
NOTE Check tension and alignment of belts before operating dryer
G. Drive Pulley
To Replace Idler Bearing
Tumbler Alignment lateral
H. Tumbler basket Tumbler Alignment vertical
NOTE Identify location of each wire for correct re-installation
To Replace The Tumbler and/or Tumbler Support
LOCTITE ADHESIVE HAS BEEN USED TO SECURE SET SCREWS AND BEARINGS
IMPORTANT LOCTITE NOW BEING USED
IN PLACE. ONCE SET SCREWS HAVE BEEN
REMOVED, A GEAR PULLER MAY BE NECES
V-Belt Tension Adjustment-Tumbler To Idler
I. V-Belts refer to illustration in Sections I, J and K
V-Belt Tension Alignment - Motor To Idler
J. Motor To Replace Motor
To Replace V-Belts
K. Impeller
L. Lintscreen To Replace Lintscreen
A. Phase 5 Coin System Diagnostics
Trouble Shooting
Diagnostic L.E.D. Display Failure Codes
SECTION
Microprocessor Controller Relay Output L.E.D. Indicators
L.E.D. Display Indicators
NOTE If the dryer is started the L.E.D. display indicator dots are on and there are no outputs heat and/or motor output L.E.D.s are off and the dOOr input L.E.D. is on, the fault is in the Phase 5 coin microprocessor controller computer itself. If the failure was elsewhere i.e., dryers door switch circuit the L.E.D. display would read dOOr if a keyboard entry was attempted. If the L.E.D. display indicators are on and the door L.E.D. input and motor/heat output L.E.D.s are on and the motor and/or heat is not active ON, then the problem is not the door switch circuit or the Phase 5 coin microprocessor controller the problem is else where in the dryer
B. No Heat Condition
Page
C. No Start Condition
D. No Display Condition
Page
E. dSFL Display Condition
F. dOOr Display Condition
Technical Information
A. Data Label
SECTION
B. Using A Manometer
C. L.E.D. Display Codes
D. Computer Logic and Wiring Diagram
including ALL revisions of the number listed below B672611
Diagrams for this book are as follows
ADC450179
1- 01/08/98-50
2* 05/21/98-50