Overview
Arlo support article page — setup or troubleshooting resource for a product family.
On Arlo Home Security, this device is a supervised Z-Wave peripheral — status appears under device status in the Arlo app, and faults can block arming depending on mode settings.
At a Glance
| Specification | Details |
|---|---|
| Role | Support documentation landing page |
What This Device Does Well
Provides reliable status reporting and user-facing alerts through the Arlo app when installed and enrolled correctly.
Before You Service or Replace One
- Generation — Gen 1 vs Gen 2 vs 3rd gen — battery type and reset steps differ.
- Hub online — hub must show connected in app before diagnosing sensor.
- Range — distant devices may need Range Extender, not a new sensor.
- Tamper — cover fully closed before declaring hardware fault.
- Monitoring mode — Practice/disarmed modes affect whether alarms dispatch.
Official Sources
Use official kb.arlo.com support articles for reset procedures, battery types, LED patterns, and regional availability — Arlo updates app flows frequently.
Error Codes
Arlo products report faults through the Arlo app device status and device event history — not traditional numeric keypad codes like hardwired alarm panels.
How to read status
- Open Arlo app → Menu → Alarm (or device tile for cameras).
- Tap device status or the device — note Offline, Tampered, Low Battery, Open.
- Tap the fault for Arlo's suggested steps and linked support articles.
- For hub issues, check Home Security hub / SmartHub connectivity first — many "sensor offline" faults are mesh or hub internet issues.
Common status / trouble indicators
| App status / symptom | Meaning | First checks |
|---|---|---|
| Offline | Device lost Z-Wave path to hub | Battery, Range Extender, hub online |
| Tampered | Cover or mount tamper open | Reseat cover; bracket screws |
| Low Battery | Battery below threshold | Replace with official battery type |
| Failed to add device | Enrollment issue | Remove failed device; factory reset; re-add near hub |
| Open (contacts) | Magnet gap too wide | Realign; check door warp |
App actions (typical)
| Action | Where in Arlo app |
|---|---|
| View device status | Alarm → hub → device status |
| Remove and re-add device | Device settings → Remove → Set up new device |
| Arm/disarm test | Alarm modes on home screen |
| Contact support | Help → Contact Arlo |
Source: kb.arlo.com support articles; Arlo official support articles linked in this product folder manifest.
| Code | Meaning | Suggested Fix |
|---|---|---|
| Offline | Device lost Z-Wave path to hub | Battery, Range Extender, hub online |
| Tampered | Cover or mount tamper open | Reseat cover; bracket screws |
| Low Battery | Battery below threshold | Replace with official battery type |
| Failed to add device | Enrollment issue | Remove failed device; factory reset; re-add near hub |
| Open (contacts) | Magnet gap too wide | Realign; check door warp |
| Action | Where in Arlo app | |
| View device status | Alarm → hub → device status | |
| Remove and re-add device | Device settings → Remove → Set up new device | |
| Arm/disarm test | Alarm modes on home screen | |
| Contact support | Help → Contact Arlo |