> For the complete documentation index, see [llms.txt](https://3dpaws.comet.ucar.edu/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://3dpaws.comet.ucar.edu/station-maintenance-and-operations/station-maintenance.md).

# Station Maintenance

Routine inspection, cleaning, and system checks to keep 3D-PAWS stations operating reliably and producing high-quality data.

### Overview

Routine maintenance helps ensure that 3D-PAWS stations continue to operate reliably and produce high-quality observations over time.

Maintenance includes:

* inspecting station components
* cleaning sensors and equipment
* checking power and communications
* identifying damage or wear
* documenting maintenance activities
* replacing components when necessary

***

#### Routine Maintenance

During each maintenance visit:

* inspect sensors and mounts for damage
* verify that cables and connections are secure
* clean sensors and the solar panel as needed
* check battery condition and voltage
* ensure the data logger enclosure is sealed and protected from moisture
* inspect the station structure and mounting hardware
* look for corrosion, cable wear, loose hardware, or other signs of deterioration
* remove accumulated dirt, debris, insects, or vegetation

{% hint style="info" %}
Maintenance needs vary by deployment environment. Stations exposed to dust, salt, high humidity, insects, vegetation, or severe weather may require more frequent inspection and cleaning.
{% endhint %}

***

#### Sensor Maintenance

**Rain Gauge**

* remove leaves, dirt, insects, and other debris
* ensure the tipping mechanism moves freely
* verify that the gauge remains level
* inspect the funnel and drainage path for blockage
* check the mounting hardware and cable connection

**Wind Sensors**

* confirm that the anemometer and wind vane rotate freely without binding
* remove debris or obstructions
* inspect for physical damage or wear
* check mounting stability
* inspect cables and connections
* verify that the wind vane remains correctly aligned

**Radiation Shield (Temperature / Humidity / Pressure)**

* clean exterior surfaces if dirty
* ensure ventilation openings are clear
* inspect for insects or nesting
* check mounting hardware
* inspect sensor cables and connections

**Solar Panel**

* remove dust, dirt, leaves, bird droppings, or other material from the panel surface
* inspect the panel for damage
* check mounting hardware
* verify that cables and connections are secure
* check for new vegetation or other objects that may be shading the panel

**Soil Sensors (if installed)**

* confirm good soil contact
* inspect for disturbance or exposure
* check cable integrity
* inspect the installation area for erosion or other changes

***

#### System Checks

Maintenance should include verification that the station is operating correctly.

Check that:

* data transmission is active
* sensor readings are updating
* expected sensors are reporting
* there are no unexpected gaps in observations
* values are not unexpectedly constant or unrealistic
* battery voltage is within the expected operating range
* the solar charging system is operating

{% hint style="info" %}
For Particle-based stations, review **INFO messages** when available. INFO messages can help identify sensor, storage, power, and communications conditions that may require attention.
{% endhint %}

If missing or unusual observations are identified during maintenance, see **Troubleshooting**.

***

#### Lifecycle Planning

Station components will eventually require replacement because of environmental exposure, mechanical wear, battery aging, or changes in sensor performance.

Replacement intervals depend on the component and deployment environment.

→ [**Sensor Lifecycle Planning**](/station-maintenance-and-operations/sensor-lifecycle-planning.md)

{% hint style="info" %}
Routine cleaning and inspection can extend the useful life of station components, but maintenance does not eliminate long-term sensor aging, mechanical wear, or battery degradation.
{% endhint %}

***

#### Document Maintenance Activities

Record maintenance activities after each station visit.

At minimum, document:

* date of maintenance
* technician or organization
* site conditions
* work performed
* issues observed
* components repaired or replaced
* follow-up actions required

Update station records when components are replaced or the station configuration changes.

→ [**Station Metadata**](/deploying-3d-paws/station-metadata.md)

→ [**Asset Management**](/station-maintenance-and-operations/asset-management.md)

{% hint style="info" %}
Consistent maintenance records provide an operational history of the station and can help identify recurring problems and plan future maintenance.
{% endhint %}

***

#### Common Maintenance Issues

| Issue                             | Action                                                |
| --------------------------------- | ----------------------------------------------------- |
| **No data transmission**          | Check power, communications, and data logger status   |
| **Incorrect or unusual readings** | Inspect the sensor, wiring, and installation          |
| **Intermittent data**             | Check cable connections and power stability           |
| **Physical damage**               | Repair or replace affected components                 |
| **Low battery**                   | Check solar input, connections, and battery condition |
| **Debris or contamination**       | Clean and inspect affected instruments                |

For detailed diagnostic procedures, see **Troubleshooting**.

***

#### Instruction Slides for Routine Maintenance

Use the instruction slides below for additional guidance on inspecting, cleaning, and maintaining a 3D-PAWS station.

{% embed url="<https://docs.google.com/presentation/d/1lMNNqnBr8TgxWYTIGRd9mA-_XadPr-9D/edit?ouid=102244773211795243299&rtpof=true&sd=true&usp=sharing>" %}

{% hint style="info" %}
Use the presentation controls to open the slides in full screen for easier viewing.
{% endhint %}


---

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