Stuart SC220 Installation And Service Manual

Generation 3 control board

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CUBE ICEMAKER MODELS
SC130 SC220 SC270 SC500
GENERATION 3 CONTROL BOARD
INSTALLATION
AND
SERVICE MANUAL
Revision 1
STUART MANUFACTURING
1 Jayelem Crescent
Padstow NSW 2211 Australia
Telephone (02) 9773 3711
Fax
(02) 9773 4400
www.icemachines.com.au

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Summarization of Contents

Installation Instructions
Location
Specifies required placement and environmental conditions for the icemaker.
Start-Up Procedure
Step-by-step guide for initial machine setup and operation.
Operation of Machine
Warm Up Cycle
Describes the initial power-up sequence and its purpose.
Ice Make Cycle
Details the process of ice production and cycle completion conditions.
Error Codes
Lists and explains common error codes displayed by the machine.
Adjustments
Water Purge Adjustment
Instructions for setting the water purge parameter for optimal ice production.
Ice Thickness Adjustment
Guide on how to modify the ice thickness using control panel buttons.
Trouble Shooting
Microprocessor Diagnostics
Explains the diagnostic capabilities of the control board and fault history.
Accessing Diagnostic Display
Procedure to access stored diagnostic parameters and fault data.
Error 3: Did Not Fill With Water
Details causes and troubleshooting steps for the 'no water' error.
Trouble Shooting Continued
Error 4: Did Not Make Ice
Identifies potential causes for the machine failing to produce ice.
Error 5: Did Not Defrost
Outlines issues related to the defrost cycle failing to complete correctly.
Error 9: High Pressure Fault
Explains causes for high refrigerant pressure shutdown.
Checking Operation of Reed Switches
Curtain Flap Switches
How to test the flap switches using indicator lights.
Low Float Switch Operation
Procedure to verify the functionality of the low float switch.
High Float Switch Operation
Procedure to verify the functionality of the high float switch.
Service Mode and Clean Cycle
Service Mode 8 Indicator
Explains the indicator for required machine servicing.
Clean Cycle Procedure
Detailed steps for performing a comprehensive cleaning of the icemaker.
Float Control Board Component Connections
Wiring Harness Identification
Lists wire colours and their corresponding control board connections.

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