I have a setup of 3 units (Deco M5). One of them (not the main) has stopped working after upgrade.
Yellow led is constant.
1). Hard reset doesn't help. Causes the unit to start blinking blue/green for a short time and then going back to Yellow. If you power on/off it turns to red.
2). Tried reinstalling firmware to the unit using TFTP. The code is uploaded , but after the process (2 minutes or so) - the unit goes back to constant Yellow.
3). Tried loading previous firmware code to the unit - same result.
Can this unit be 'saved'?

Thanks