There is an electrical fault in Primer valve 1
Last updated: February 22, 2026
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HP Z9+ System error: 0021-0002-0017
There is an electrical fault in Primer valve 1
- 1
Restart. Check valve and connectors properly connected? not broken, dirty,damaged? Run the 02103 Check Primer motor, replace Primer valve, replace Engine 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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