UNEXPECTED_CHARGER_FAULT_STATUS
Applicable alarms (1)
Likely outcomes — click to expand
Based on 541 missions where this alarm fired in the last 90 days as of 2026-10-13
Grounding vs discrepancy (of 15 ZERP issues filed on these missions)
Frequently replaced parts
| Part | P/N | Removals |
|---|---|---|
| BATTERY ASSY, ZIP, P2 | 27158 | 7 |
Aggregated from fleet operations and refreshed daily. Individual outcomes may vary by site and configuration.
Background
Section titled “Background”When the Aircraft is docked, the Dock regularly sends status updates about the charger.
If the charger faults or the Dock stops sending these updates, the Aircraft will detect either a faulted or missing status. In response, it will block charging and raise this alarm.
Troubleshooting Steps
Section titled “Troubleshooting Steps”graph TD
is-the-dock-s-ode-showing-degraded{"<small><b>Step 1</b></small><br/>Question: Is the Dock’s operations mode showing..."}
the-charger-has-an-issue-on-the-dock("<small><b>Step 2</b></small><br/>Reference: The charger has an issue on the Dock ...")
proceed-to-dock-not-communicating-with-aircraft["<small><b>Step 3</b></small><br/>Action: Please proceed to the Dock Not Commu..."]
is-the-dock-s-ode-showing-degraded -->|Yes| the-charger-has-an-issue-on-the-dock
is-the-dock-s-ode-showing-degraded -->|No| proceed-to-dock-not-communicating-with-aircraft
style is-the-dock-s-ode-showing-degraded fill:#dbeafe,stroke:#3b82f6,color:#1e3a5f
style the-charger-has-an-issue-on-the-dock fill:#f3e8ff,stroke:#a855f7,color:#581c87
style proceed-to-dock-not-communicating-with-aircraft fill:#dcfce7,stroke:#22c55e,color:#14532d Hover or focus a block to preview it. Select the block to keep the preview open.
Troubleshoot the Dock starting with the following guide: Operations Mode = DEGRADED
Resolution note
This plaintext block is ready to paste into the Resolution Note field on the ZERP issue you're working. The permalink below gives engineering review access to the full step-by-step timeline including any back-navigation; share it if the case needs a deeper look.
Permalink:
Session is too large to fit in a URL. Use Download session JSON to share the timeline out-of-band.
Did this guide help you get unblocked?
Open suggestions
There are no open suggestions.
Open pull requests
There are no open pull requests.