CONDENSER_FAN_LOW_SPEED
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 occurs when the condenser fan has been commanded to spin but the tachometer fan feedback detects that the fan is not spinning.
Troubleshooting Steps
Section titled “Troubleshooting Steps”graph TD
restart-the-dock-thermal-service["<small><b>Step 1</b></small><br/>Action: Restart the thermal system service. F..."]
did-the-alarm-clear{"<small><b>Step 2</b></small><br/>Question: Did CONDENSER_FAN_LOW_SPEED clear a..."}
return-the-dock-to-service["<small><b>Step 3</b></small><br/>Action: Return the Dock to service."]
which-dock-model-is-affected{"<small><b>Step 4</b></small><br/>Question: Which Dock model is affected?"}
replace-the-ev3-thermal-system["<small><b>Step 5</b></small><br/>Action: Create a work order to replace the th..."]
replace-the-ev4-thermal-system["<small><b>Step 6</b></small><br/>Action: Create a work order to replace the th..."]
restart-the-dock-thermal-service --> did-the-alarm-clear
did-the-alarm-clear -->|Yes| return-the-dock-to-service
did-the-alarm-clear -->|No| which-dock-model-is-affected
which-dock-model-is-affected -->|EV3 Dock| replace-the-ev3-thermal-system
which-dock-model-is-affected -->|EV4 Dock| replace-the-ev4-thermal-system
style restart-the-dock-thermal-service fill:#dcfce7,stroke:#22c55e,color:#14532d
style did-the-alarm-clear fill:#dbeafe,stroke:#3b82f6,color:#1e3a5f
style return-the-dock-to-service fill:#dcfce7,stroke:#22c55e,color:#14532d
style which-dock-model-is-affected fill:#dbeafe,stroke:#3b82f6,color:#1e3a5f
style replace-the-ev3-thermal-system fill:#dcfce7,stroke:#22c55e,color:#14532d
style replace-the-ev4-thermal-system fill:#dcfce7,stroke:#22c55e,color:#14532d Hover or focus a block to preview it. Select the block to keep the preview open.
CONDENSER_FAN_LOW_SPEED clear after the restart?Resolution note
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