✅ Installation Verification
🔍 Diagnostic Commands
| Test | Command | Expected Response |
|---|---|---|
| Device ID | >QID< | Your unique ID |
| APN configuration | >QCXAPN< | Your configured APN |
| Cellular status | >QCEL< | Carrier + signal |
| GPS position | >QGPS< | Valid coordinates |
| Input status | >QIN< | 0/1 per input |
| Activate output | >SSSXP0011< | OK + relay activation |
✅ Verification Checklist
Power Supply
- VCC connected to battery/fuses with 3A fuse (9-90VDC)
- GND to solid ground point (chassis)
- Power LED active
Communications
- SIM card inserted correctly (no PIN)
- GSM antenna connected
- GPS antenna with sky view
-
>QCEL<returns carrier
Inputs/Outputs
- IGN detects contact ON/OFF
- Inputs respond to GND
- Output activates relay correctly
🚨 Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Won’t power on | No power supply | Check VCC and fuse |
| No GSM signal | Antenna or SIM | Check connections and data plan |
| No GPS | Location or antenna | Move to area with sky view |
| Inputs don’t respond | Incorrect connection | Verify closure to GND |
| Output doesn’t activate | Excessive load | Use intermediate relay |
For more commands, check the command guide.
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