CELL_SIMM_UNPLUGGED (Dock)
Applicable alarms (1)
Likely outcomes — click to expand
Based on 0 missions where this alarm fired in the last 90 days as of 2026-10-13
Aggregated from fleet operations and refreshed daily. Individual outcomes may vary by site and configuration.
Background
Section titled “Background”This alarm is triggered when the cellular SIM card is not detected in a Dock controller, either because there’s no SIM card at all or there’s a SIM card and it’s not seated properly.
Troubleshooting Steps
Section titled “Troubleshooting Steps”graph TD
check-the-dock-controller-s-sim-card-sl{"<small><b>Step 1</b></small><br/>Question: Check the Dock controller’s SIM card ..."}
re-seat-the-sim-card["<small><b>Step 2</b></small><br/>Action: Re-seat the SIM card"]
check-for-the-cell-simm-unplugged-alarm{"<small><b>Step 3</b></small><br/>Question: Check for the CELL_SIMM_UNPLUGGED a..."}
escalate-to-p2-dock-hardware-oncall{{"<small><b>Step 4</b></small><br/>Escalation: Escalate to P2 Dock Hardware On Call"}}
return-the-dock-to-service("<small><b>Step 5</b></small><br/>Reference: Return the Dock to service")
insert-a-sim-card["<small><b>Step 6</b></small><br/>Action: Insert a SIM card."]
check-the-dock-controller-s-sim-card-sl -->|Yes| re-seat-the-sim-card
check-the-dock-controller-s-sim-card-sl -->|No| insert-a-sim-card
re-seat-the-sim-card --> check-for-the-cell-simm-unplugged-alarm
check-for-the-cell-simm-unplugged-alarm -->|Yes| escalate-to-p2-dock-hardware-oncall
check-for-the-cell-simm-unplugged-alarm -->|No| return-the-dock-to-service
style check-the-dock-controller-s-sim-card-sl fill:#dbeafe,stroke:#3b82f6,color:#1e3a5f
style re-seat-the-sim-card fill:#dcfce7,stroke:#22c55e,color:#14532d
style check-for-the-cell-simm-unplugged-alarm fill:#dbeafe,stroke:#3b82f6,color:#1e3a5f
style escalate-to-p2-dock-hardware-oncall fill:#fef3c7,stroke:#f59e0b,color:#78350f
style return-the-dock-to-service fill:#f3e8ff,stroke:#a855f7,color:#581c87
style insert-a-sim-card fill:#dcfce7,stroke:#22c55e,color:#14532d Hover or focus a block to preview it. Select the block to keep the preview open.
CELL_SIMM_UNPLUGGED alarm. Is the alarm still set?Resolution note
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