GrooveA-52HPn Problems

Hello ,
I have an GrooveA-52HPn AP with some problems (it has already been sent to service and returned back only with frimware update and from service says is ok the AP ) dosen’t see the wireless networks 2Ghz and only one 5Ghz network and is very close to the AP ( aprox 15 meters) , And it works the wifi only if i am very close to the device, any advice about the AP ? I will attach an print screen from desktop with the AP scanning . Thank you
AP grooveA.jpg