A/B/C Model

A/B/C Maintenance and Repair Instructions

Replacing the Y Motor Pack

After several hundred hours of usage, the motors that control the machine’s motion can have parts of them wear out. These steps show how to replace the y-motor pack that controls the up and down motion of the machine. DOWNLOADABLE PDF INSTRUCTIONS Replacing the Y Motor

A/B/C Model LCD Messages

Stuck Compression Roller Message

Description of Issue During operation machine can report that one of the two sprung loaded compression rollers is stuck.  This occurs when the sensors that monitor the compressed/released state of the roller is reporting an unexpected state.  See a detailed description of this mechanism in the Troubleshooting section of the CarveWright Operator’s manual. Possible Causes

A/B/C Model LCD Messages

SRAM Message

Description of Issue During initial power up, the LCD screen displays the CarveWright banner and “SRAM followed by numeric characters”.  It will not let you proceed from this screen. Possible Causes The cause is a defective controller board (A2065). Troubleshooting Steps Replace the controller board (A2065).

A/B/C Model LCD Messages

Power Fluctuation Message

Description of Issue The machine displays the Power Fluctuation message when it encounters an under-voltage condition on the 5V power supply.  The machine shuts down and safes all operations. Possible Causes There are three main causes for the under-voltage condition, a faulty power supply, a loose connector, a drawdown on the circuit, and a short

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