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Error 21:03Medium Severity

Service Station electrical current limit

Last updated: February 22, 2026

Severity:Medium Severity
Affected:0 models
DIY Fix:Possible
HP Z3100 service station problem

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HP Z3100 service station problem

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What This Error Means

Service Station electrical current limit

Step-by-Step Troubleshooting Guide
  1. 1

    Turn off/on. Check Service station path for obstacles, If error continues replace the Service Station

Technical Service Diagrams

Reference diagrams for common repair procedures related to this error:

Carriage Belt Replacement

HP DesignJet Carriage Belt Replacement Diagram

Note: These diagrams are for reference only. Always consult official HP service documentation and follow proper ESD precautions.

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