Service SVS – SVS motor electrical fault
Last updated: February 22, 2026
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HP Z9+ System error: 0021-0002-0017
Service SVS – SVS motor electrical fault
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reboot, Check that the SVS motor, encoder and connectors , Run 0021-02 diagnosics, repalce SVS motor, repalce Mechatronics PCA
Reference diagrams for common repair procedures related to this error:
Carriage Belt Replacement

Note: These diagrams are for reference only. Always consult official HP service documentation and follow proper ESD precautions.
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A maintenance area on the right side of the printer where the printheads are capped and cleaned when not in use. It prevents ink from drying in the nozzles.
The motor that drives the carriage assembly horizontally across the platen. It's responsible for the precise left-right movement of the printheads during printing.
A comprehensive technical document provided by HP to authorized service technicians containing detailed disassembly, repair, and calibration procedures.
The motor responsible for feeding media through the printer in precise increments between each pass of the printhead carriage.
A company that has been certified by HP to provide warranty and out-of-warranty repair services for HP DesignJet printers.
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