: This is normal; it indicates the device is still in its 3-minute warm-up phase. Constant Alarms
| Source | Action | |--------|--------| | | Look for “Model: Brj-502” sticker – often near serial number. | | Retailer or brand | If you know the seller (e.g., AliExpress, Amazon generic brand), contact them directly. | | Google search | Use: "Brj-502" manual filetype:pdf or "BRJ502" user guide | | FCC ID lookup | If it has wireless, search the FCC ID on fccid.io – manuals are often uploaded there. | | Manual libraries | Try ManualsLib, ManualsOnline, or Archive.org. | Brj-502 Manual