Wascomat EX618 User manual

Wascomat provides efficient washers, dryers, flatwork ironers and wetcleaning systems
in a size and model for every laundry and wetcleaning need!
516-371-4400
DOC. NO. 438.9228-76/04 EDITION 2010.08.27
EX618 – EX677
SU620 – SU677
W620 – W677
Compass Control
SERVICE MANUAL

Before ordering parts, refer to the Wascomat spare parts
manual (also available on www.wascomat.com) to
determine the part number(s) for the item(s) you need.
For quick service, please have the following information
available:
1. Part Number of the item(s) you need.
2. Model of the machine.
3. Serial number of the machine.
4. Electrical data for the machine:
– 120 or 208-240 Volt?
– Single or three phase?
– 50 or 60 Cycle?
To insure parts order accuracy, only fax or email
parts orders are accepted:
– Fax: [phone]
– email: [email protected]
For service information, first contact your local authorized
Wascomat dealer.
Wascomat technical support can assist you or your
technician to diagnose and repair your laundry machines
over the phone. Please call from the location where the
machines are installed (we suggest you use a cellular or
cordless phone), and have the following information
available:
1. Model of the machine.
2. Serial number of the machine.
3. Electrical data for the machine:
– 120 or 208-240 Volt?
– Single or three phase?
– 50 or 60 Cycle?
4. An accurate description of the malfunction.
Wascomat customer support
Whether you need spare parts or technical advice to guide you to the source of a
malfunction, our nationwide network of authorized dealers are able and ready to serve
your needs, or call the Wascomat Customer Service Hotlines listed below.
FOR PARTS, SERVICE AND TECHNICAL ASSISTANCE CALL YOUR LOCAL WASCOMAT DEALER
spare parts technical support
Warranty claims
Wascomat’s Technical Support staff will honor valid manufacturer’s parts warranty claims providing your Wascomat
machines are registered for warranty coverage upon installation. If they are not registered, you can validate your
warranty claim by providing information about when and where you purchased the Wascomat machine(s), the model and
serial number(s). Additional warranty proof may also be required.
461 Doughty Blvd., Inwood, N.Y. 11096-0338 |Sales and Administration – Tel: [phone] •Fax: [phone] •e-mail: [email protected]
Spare Parts – Tel: [phone] •Fax: [phone] •e-mail: [email protected] |Technical Support – Tel: [phone] •Fax: [phone]
En Mexico: Llame gratis a este numero 001-800-010-1010
516-371-2000 516-371-0700
To expedite parts order shipment, please use your credit card.
We accept: American Express, Mastercard, Visa, Discover, Diner’s Club.

NOTICE TO SERVICE PERSONNEL
INSTALLATION
Improper installation of Wascomat laundry and wet cleaning equipment can result in
personal injury and severe damage to the machine.
REFER INSTALLATION TO QUALIFIED PERSONNEL!
RISK OF ELECTRIC SHOCK
The equipment utilizes high Voltages. Disconnect electric power before servicing.
The use of proper service tools and techniques, and the use of proper repair procedures,
is essential to the safety of service personnel and equipment users.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL!
RISK OF PERSONAL INJURY
This equipment contains moving parts, and some components that may have sharp ed-
ges. Improper or careless service procedures may result in serious injury to service per-
sonnel.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL!
ABOUT THIS MANUAL
This manual is intended to provide service guidance to qualified service personnel.
Wascomat and its authorized dealers make no determination regarding the qualification of
individuals requesting this service manual. The service provider assumes all risks inherent
to the servicing of this equipment and any risks that arise as result of the lack of know-
ledge or ability of any person servicing this equipment.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL!
NOTE:
Improper installation or servicing of Wascomat equipment will void the
manufacturer's warranty!

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Service Manual
EX618 – EX677, SU620 – SU677, W620 –W677
Compass Control
WARNING: ALL OPERATING AND MAINTENANCE PROCEDURES SHOWN ON THE NEXT
PAGE OF THIS MANUAL MUST BE FOLLOWED DAILY FOR PROPER OPERATION OF YOUR
WASCOMAT MACHINE.
PLEASE ENTER THE FOLLOWING INFORMATION AS IT APPEARS ON THE MACHINE(S)
DATA PLATE(S).
MAKE CERTAIN TO KEEP THIS MANUAL IN A SECURE PLACE FOR FUTURE
REFERENCE.
MACHINE TYPE OR MODEL
MACHINE SERIAL NUMBER(S)
ELECTRICAL CHARACTERISTICS: _________ VOLTS, ________ PHASE, ________ HZ.

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SAFETY AND WARNINGS SIGNS
Replace If Missing Or Illegible
One or more of these signs must be affixed on each machine as indica-
ted, when not included as part of the front instruction panel.
LOCATED ON THE OPERATING INSTRUCTION SIGN OF THE MACHINE:
LOCATED AT THE REAR OF THE MACHINE:
INSTALLATION AND
MAINTENANCE WARNINGS – AVERTISSEMENT
1. This machine MUST be securely bolted according to the installation instructions, to
reduce the risk of fire and to prevent serious injury, or damage to the machine.
Pour reduire les risques d'incendie, fixer cet appareil sur un plancher beton sans reve-
tement.
2. If installed on a floor of combustible material, the floor area below this machine must
be covered by a metal sheet extending to the outer edges of the machine.
3. This machine MUST be connected to a dedicated electrical circuit to which no other
lightning unit or general purpose receptacle is connected. Use copper conductor only.
Utiliser seulement des conducteurs en cuivre.
4. This machine MUST be serviced and operated in compliance with manufacturer's in-
structions. CHECK DOOR LOCK EVERY DAY FOR PROPER OPERATION TO
PREVENT INJURY OR DAMAGE. IF THE DOOR LOCK FAILS TO OPERATE PROPERLY,
PLACE THE MACHINE OUT OF ORDER UNTIL THE PROBLEM IS CORRECTED.
5. Disconnect power prior to servicing of machine.
Deconnecter cet appareil del'alimentation avant de proceder a l'entretien.
6. To remove top panel, first remove screws at the rear. When remounting the top,
reinstall them. To remove the top panel on models on which it is secured by one or two
keylocks, use the keys provided in the drum package. Be certain to relock after remoun-
ting the top panel.
MANUFACTURED BY WASCATOR
DISTRIBUTED BY WASCOMAT, INWOOD, NEW YORK, USA
LOCATED ON THE DOOR:
If you need to order more safety or warning
signs, call Wascomat's parts department at
516-371-2000, or call your local dealer.
471 467148-01
CAUTION
1. Do not open washer door until cycle is completed, operating
light is off, and wash cylinder has stopped rotating.
2. Do not tamper with the door safety switch or door lock.
3. Do not attempt to open door or place hands into washer
to remove or add clothes during operation. This can cause
serious injury.
MACHINE MUST NOT BE USED BY CHILDREN
PRECAUCION
1. No abra la puerta de la máquina lavadora sino hasta que la
máquina haya terminado su ciclo, la luz operativa esté apaga
da y el cilindro de lavado haya completamento terminado de
girar.
2. No interferia o manipule el switch o la cerradura de la puerta.
3. No trate de abrir la puerta o meta las manos dentro de la
máquina para meter o sacar ropa mientras la máquina está
en operación, pues puede resultar seriamento herido.
LAS MÁQUINAS NO DEBEN SER USADAS POR NIÑOS
471 766202-04

NOTICE TO: OWNERS, OPERATORS AND DEALERS OF WASCOMAT MACHINES
II
IMPROPER INSTALLATION AND INADEQUATE MAINTENANCE, POOR HOUSEKEEPING AND WILLFUL
NEGLECT OR BYPASSING OF SAFETY DEVICES MAY RESULT IN SERIOUS ACCIDENTS OR INJURY. TO
ASSURE THE SAFETY OF CUSTOMERS AND/OR OPERATORS OF YOUR MACHINE, THE FOLLOWING
MAINTENANCE CHECKS MUST BE PERFORMED ON A DAILY BASIS.
1. Prior to operation of the machine, check to make certain that all operating instructions and
warning signs are affixed to the machine and legible. (See the following page of this manual
for description and location of the signs.) Missing or illegible ones must be replaced imme-
diately. Be sure you have spare signs and labels available at all times. These can be obtai-
ned from your dealer or Wascomat.
2. Check the door safety interlock, as follows:
(a) OPEN THE DOOR of the machine and attempt to start in the normal manner:
For CLARUS microprocessor models, choose a program and press the START
button.
THE MACHINE(S) MUST NOT START !
(b) CLOSE THE DOOR to start machine operation and, while it is operating, attempt to
open the door without exerting extreme force on the door handle. The door should
remain locked!
If the machine can start with the door open, or can continue to operate with the door
unlocked, the door interlock is no longer operating properly. The machine must be
placed out of order and the interlock immediately repaired or replaced. (See the door
interlock section of the manual.)
3. DO NOT UNDER ANY CIRCUMSTANCES ATTEMPT TO BYPASS OR REWIRE ANY OF
THE MACHINE'S SAFETY DEVICES, AS THIS CAN RESULT IN SERIOUS ACCIDENTS.
4. Be sure to keep the machine(s) in proper working order: Follow all maintenance and
safety procedures. Further information regarding machine safety, service and parts can be
obtained from your dealer or from Wascomat through its Technical Support Department
- 516/371-0700.
All requests for assistance must include the model, serial number and electrical characteristics as
they appear on the machine identification plate. Insert this information in the space provided on
the previous page of this manual.
5. WARNING: DO NOT OPERATE MACHINE(S) WITH SAFETY DEVICES BYPASSED, REWIRED OR
INOPERATIVE! DO NOT OPEN MACHINE DOOR UNTIL DRUM HAS STOPPED ROTATING!

9
Contents
Contents
Safety precautions ..................................................................................... 11
Technical data............................................................................................ 13
Machine presentation ............................................................................... 21
Description ............................................................................................ 21
Function................................................................................................. 22
Program unit.......................................................................................... 24
Motor and motor control ....................................................................... 25
Door lock ............................................................................................... 26
Heating .................................................................................................. 27
Water connections ................................................................................ 27
Rear electric module .............................................................................27
Detergent compartment ........................................................................ 28
Drain valve ............................................................................................. 28
Frame and suspension .......................................................................... 28
Program unit .............................................................................................. 29
Description ............................................................................................ 29
Menu tree .............................................................................................. 31
Activating servicemode ......................................................................... 32
Service program .................................................................................... 36
Config 1 ................................................................................................. 45
Activate wash progrogram. ................................................................... 60
I/O modules................................................................................................ 61
General .................................................................................................. 61
Function options via the service program ............................................. 62
Function options via program designation............................................ 63
Function options for Type 1 and Type 2 I/O modules........................... 64
Replacement of I/O module .................................................................. 65
External connections to I/O module type 2........................................... 66
Circuit diagram of function options for I/O module type 2.................... 69
Addressing I/O modules........................................................................ 76
Door and door lock .................................................................................... 77
Description ............................................................................................ 77
Function................................................................................................. 78
Repairs .................................................................................................. 80
Motor and motor control............................................................................ 83
Warnings................................................................................................ 83
Description ............................................................................................ 84
Function................................................................................................. 86
LED indications...................................................................................... 90
Repairs .................................................................................................. 91
Adjustments........................................................................................... 92

10 Contents
Drain valve.................................................................................................. 95
Description ............................................................................................ 95
Function................................................................................................. 96
Repairs .................................................................................................. 97
Detergent compartment............................................................................. 99
Description ............................................................................................ 99
Heating..................................................................................................... 101
Description .......................................................................................... 101
Function............................................................................................... 102
Repairs ................................................................................................ 103
Abbreviations ........................................................................................... 105
Preventive maintenance........................................................................... 107
Trouble shooting ...................................................................................... 109
General information on troubleshooting.............................................. 109
Error code............................................................................................ 110
Activating servicemode ....................................................................... 113
Description of error codes and causes ............................................... 117
The manufacturer reserves the right to make changes to design, material
and/or specifications without notice.