Just installed my new Surfboard 6190 modem and my speed has dropped

Hey guys any reason why my speed wound drop from my old 2.5 year old DOCSIS 2.0 modem to a brand new Surfboard 6190 modem. On the COX side there saying my signal is red. I in South OC CA. I am on the Ultimate Internet Package. I am getting lots of errors on the event log of the modem. RCS Partial Service ERRORS =================== Downstream Bonded Channels Channel Lock Status Modulation Channel ID Frequency Power SNR Corrected Uncorrectables 1 Locked 256QAM 94 939.00 MHz 2.00 dBmV 36.61 dB 44284 42123 2 Locked 256QAM 73 813.00 MHz 6.30 dBmV 38.61 dB 16146 13658 3 Locked 256QAM 74 819.00 MHz 6.50 dBmV 38.61 dB 16423 13517 4 Locked 256QAM 75 825.00 MHz 6.40 dBmV 38.61 dB 18796 12472 5 Locked 256QAM 76 831.00 MHz 6.10 dBmV 38.61 dB 18080 15460 6 Locked 256QAM 77 837.00 MHz 6.40 dBmV 38.61 dB 17690 15318 7 Locked 256QAM 78 843.00 MHz 6.00 dBmV 38.98 dB 18810 17871 8 Locked 256QAM 79 849.00 MHz 5.90 dBmV 38.61 dB 17577 15355 9 Locked 256QAM 80 855.00 MHz 5.60 dBmV 37.64 dB 18640 15449 10 Locked 256QAM 81 861.00 MHz 5.80 dBmV 38.98 dB 20143 16618 11 Locked 256QAM 82 867.00 MHz 5.70 dBmV 38.61 dB 20702 15507 12 Locked 256QAM 83 873.00 MHz 5.20 dBmV 38.61 dB 19907 20955 13 Locked 256QAM 84 879.00 MHz 4.30 dBmV 37.64 dB 21865 20578 14 Locked 256QAM 85 885.00 MHz 4.10 dBmV 37.64 dB 23176 21600 15 Locked 256QAM 86 891.00 MHz 3.80 dBmV 37.64 dB 22815 19314 16 Locked 256QAM 87 897.00 MHz 3.80 dBmV 37.36 dB 26908 24521 17 Locked 256QAM 88 903.00 MHz 3.60 dBmV 37.36 dB 28324 24775 18 Locked 256QAM 89 909.00 MHz 3.60 dBmV 37.36 dB 30138 32209 19 Locked 256QAM 90 915.00 MHz 4.00 dBmV 37.64 dB 34210 33854 20 Locked 256QAM 91 921.00 MHz 3.40 dBmV 37.36 dB 34660 33753 21 Locked 256QAM 92 927.00 MHz 3.50 dBmV 37.36 dB 40076 38687 22 Locked 256QAM 93 933.00 MHz 3.30 dBmV 37.36 dB 40149 39324 23 Locked 256QAM 95 945.00 MHz 1.80 dBmV 36.39 dB 41573 42949 24 Locked 256QAM 96 951.00 MHz 1.30 dBmV 35.97 dB 38976 41273 =========================== Only one upstream bonded channel??? Upstream Bonded Channels Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power 1 Locked ATDMA 3 5120 kSym/s 36.80 MHz 57.00 dBmV =========================== I have called COX and they really aren't doing much. What should I do? Thanks for any help or advice.