ESP-8266-01

I have a problem with an ESP-8266-01. At first when i was sending it an AT command it was responding with an ERROR message. Then i flushed it and installed a new bin on it, and when i connect it with an Arduino MEGA it sends back these messages repeatedly on its own:

load 0x3ffe8000, len 1100, room 4
tail 8
chksum 0x4e
load 0x3ffe8450, len 3268, room 0
tail 4
chksum 0x09
csum 0x09
#0 ets_task(4020a9c0, 31, 3ffe9170, 4)
rf_cal[0] !=0x05,is 0x00

ets Jan 8 2013,rst cause:2, boot mode:(3,7)

load 0x40100000, len 31108, room 16
tail 4
chksum 0x28
load 0x3ffe8000, len 1100, room 4
tail 8
chksum 0x4e
load 0x3ffe8450, len 3268, room 0
tail 4
chksum 0x09
csum 0x09
#0 ets_task(4020a9c0, 31, 3ffe9170, 4)
rf_cal[0] !=0x05,is 0x00

ets Jan 8 2013,rst cause:2, boot mode:(3,7)

load 0x40100000, len 31108, room 16
tail 4
chksum 0x28
load 0x3ffe8000, len 1100, room 4
tail 8
chksum 0x4e
load 0x3ffe8450, len 3268, room 0
tail 4
chksum 0x09
csum 0x09
#0 ets_task(4020a9c0, 31, 3ffe9170, 4)
rf_cal[0] !=0x05,is 0x00

ets Jan 8 2013,rst cause:2, boot mode:(3,7)

rst cause:2 = reset pin