DOCK_RELAY_FAILED_TO_CLOSE
Applicable alarms (1)
Likely outcomes — click to expand
Based on 455 missions where this alarm fired in the last 90 days as of 2026-10-13
Grounding vs discrepancy (of 13 ZERP issues filed on these missions)
Frequently replaced parts
| Part | P/N | Removals |
|---|---|---|
| HOVER MOTOR ASSY, CCW MOTOR, ZIP, P2 | 19607 | 6 |
| CW HOVER MOTOR ASSY, ZIP, P2 | 33333 | 4 |
Frequently co-occurring alarms (% of the 455 missions above)
Aggregated from fleet operations and refreshed daily. Individual outcomes may vary by site and configuration.
Background
Section titled “Background”The Aircraft battery cannot start charging due to the Dock relay failing to report closed when commanded.
Troubleshooting Steps
Section titled “Troubleshooting Steps”graph TD
at-the-moment-when-this-alarm-displays{"<small><b>Step 1</b></small><br/>Question: At the moment when this alarm display..."}
troubleshoot-the-dock-starting-with-the["<small><b>Step 2</b></small><br/>Action: Troubleshoot the Dock starting with t..."]
restart-the-charger-service-to-see-if{"<small><b>Step 3</b></small><br/>Question: Restart the charger service to see if..."}
return-the-asset-to-service["<small><b>Step 4</b></small><br/>Action: Return the asset to service."]
escalate-to-p2-dock-hardware-on-call{{"<small><b>Step 5</b></small><br/>Escalation: Escalate to P2 Dock Hardware On Call"}}
at-the-moment-when-this-alarm-displays -->|Yes| troubleshoot-the-dock-starting-with-the
at-the-moment-when-this-alarm-displays -->|No| restart-the-charger-service-to-see-if
restart-the-charger-service-to-see-if -->|Yes| return-the-asset-to-service
restart-the-charger-service-to-see-if -->|No| escalate-to-p2-dock-hardware-on-call
style at-the-moment-when-this-alarm-displays fill:#dbeafe,stroke:#3b82f6,color:#1e3a5f
style troubleshoot-the-dock-starting-with-the fill:#dcfce7,stroke:#22c55e,color:#14532d
style restart-the-charger-service-to-see-if fill:#dbeafe,stroke:#3b82f6,color:#1e3a5f
style return-the-asset-to-service fill:#dcfce7,stroke:#22c55e,color:#14532d
style escalate-to-p2-dock-hardware-on-call fill:#fef3c7,stroke:#f59e0b,color:#78350f Hover or focus a block to preview it. Select the block to keep the preview open.
Resolution note
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