Troubleshooting Power Issues
This page outlines how to diagnose and fix power-related issues for the OV20i system
note
The camera does not support PoE. Power must be supplied via the dedicated Power & D I/O cable using a 19–24V DC power source.
Common Symptoms
- No LED activity when power is applied
- Camera keeps rebooting unexpectedly
- Excessive heat near connectors or casing
- No response to trigger or web UI access
Step-by-Step Troubleshooting
1. Verify Power Supply
- Use a regulated 19–24V DC adapter (e.g., Advantech 65W 19V PSU)
- Confirm voltage with a multimeter before connecting
- Ensure correct wiring using the pinout below
Power Pins to Check (on Power & DIO cable):
| Pin # | Wire Color | Description |
|---|---|---|
| 13 | White/Green | +24V Input (Vin+) |
| 5, 6 | Pink, Yellow | Ground (Vin−) |
2. Check Cable & Connector Fit
- Use only the M12 circular power connector (3m, p/n 1700033944-01)
- Align the notches and securely fasten the threaded collar
- Make sure the connector is fully inserted before powering on
warning
Do not use the USB-C or HDMI ports—these are only for engineering/debug use and may cause excess heat.
3. LED Behavior Check
| LED Function | Color | Meaning |
|---|---|---|
| Power Status | 🟢 Green | Powered on (normal) |
| 🔴 Red / Off | Not powered | |
| Camera Status | 🟡 Yellow | Active / running |
| Ethernet Link | 🟠 Orange | Ethernet connected/active |
| User-Defined | 🟡 / 🟠 / 🟢 | Application-specific |
4. Try Alternate Hardware
- Swap in a different power adapter (19VDC, 3.42A recommended)
- Try another Power & DIO cable if available
- Disconnect any connected devices (PLC, sensors) and power the camera alone
5. Use the Reset Button
- Short press (Pin 15 to Pin 17): Reboots the camera
note
Only perform a reset with the cable properly seated and power applied.
Recommended Spare Parts
| Item | Part Number | Notes |
|---|---|---|
| Power & D‑I/O cable, M12 17-pin (various) | M12A‑17BMMM‑SL8D03 (3 m) | Also available in 1 m, 5 m, 10 m (see Recommended Accessories) |
| Regulated 19–24 V DC adapter (65 W, 19 V) | 96PSA‑A65W19P2‑1 | Matches power specifications |
Still Not Powering?
If the camera still shows no signs of power:
- Double-check cable orientation and seating
- Test with another known-good camera setup
- Contact Overview Support with:
- Power supply details and voltage reading
- A photo of the M12 connector in use
- Any visible LED behavior or overheating notes
🔗 See Also
- LED Indicators Explained
- Reset Button on the OV20i
- Use USB for Recovery
- Regular Maintenance Checklist