A machine should not be allowed to
operated if any of the following occur:
• Excessively high water level.
• Machine is not connected to a properly grounded
circuit.
• Loading door does not remain securely locked
during the entire cycle.
• Vibration or shaking from an inadequate mounting
or foundation.
Table of Contents
Section 1:
Machine Mounting & Installation
T-350 ............................................................15
T-450 ............................................................15
T-350 Installation ...........................................16
T-450 Installation ...........................................17
Section 2:
Machine Installation & Operating
Instructions
Basic Installation ............................................20
Electrical Connections & Fusing
Requirements..........................................21-23
Machine Operating Instructions ......................24
Emergency Stop Button .................................25
Detergent Measurements by Model .................26
Section 3:
Machine Programming Instructions
Wash Cycle Programming ..........................30-37
Section 4:
Trouble Shooting
Common Troubleshooting Solutions Pages ..40-42
Troubleshooting Machine Fault Errors .........44-47
Motor Winding restances....................................47
Section 5:
Machine Service Procedures
Top Panel Removal .........................................50
Front Panel Removal ......................................50
Back Panel Removal .......................................50
Drain Valve Access .........................................50
Drain Valve Cleaning ......................................50
Detergent Dispenser ......................................50
Vaccuum Breaker / Air Gap .............................50
Water Valves .................................................50
Door Lock Assembly Operation .......................51
Adjustment for the Door Lock Assembly ..... 51-52
Adjusting the Loading Door ............................53
Loading Door Removal ...................................53
Dexter Safety
Guidelines
FOR SAFETY
1.
Always shut off power and water
supply and also discharge capacitors
before servicing.
2. Do not overload the washer.
3. Do not attempt to open door if cylinder
is in motion or contains water.
4. Do not mechanically force or override
door lock in any way.
5. Do not bypass any safety devices of
this washer.
6.
Do not use volatile or flammable
substances in or near this washer.
7. Keep all panels in place. They protect
against shock and injury and add
rigidity to the washer.
To activate your warranty, be sure to return
your red warranty form to the factory. Please
have serial number and model ready when
calling for assistance.
WARNING
These washers are equipped with devices and
features relating to their safe operation. To
avoid injury or electrical shock, do not perform
and service, unless qualified to do so.
10
11
Part # 8533-109-001 12/21
Part # 8533-109-001 12/21
Notes
Machine
Mounting
Installation
& Operation
Programming
Trouble-
shooting
Machine
Service
Electrical
Wiring
Parts
Data
50Hz
Parts
Maintenance
Service Elec.
Compnents