Technical Support 1-866-PANSAT-PRO     Problem Possible Causes Action to Take Ku-Band works okay but C-Band doesn't LNB LO frequency is wrong Ku is usually 10750, C is usually 5150 Indicators on Receivers not lit up Not connected to power source Be sure the power cord is plugged in and there is power Remote control does not work Batteries not installed or badSignal to Receivers is blocked Insert new batteries, Remove any objects between the remote control and the Receivers No sound or picture LNB LO is wrong Set to "SINGLE*" and enter the correct frequency.5150 for C-band10750 for Ku-band Dish not pointed at satellite Realign the dish Signal too weak Realign the dish LNB/F not connected or bad Reconnect or replace LNB/F Transponder setting are wrong Verify and reconfigure the settings Audio-only channel selected Select a different channel   Picture stops or freezes Dish not properly aligned Realign the dish Satellite dish is too small Use a larger dish LNB/F not stable enough Replace with a digital ready LNB/F ZDX-9111, picture in black and white and/or picture is rolling Receivers is set in the wrong mode. Press "MENU" and then "DISPLAY" to set the mode to NTSC. (You may need to press "DISPLAY" more than once. Hum in TV Audio Audio on remote is turned down Use the remote to increase the volume on the Receivers   HOW TO s: How_to_add_a_Receivers How_to_add-8_lnbfs_to_my_Receivers How_to_add_8_12_LNBFs_to_Receivers_multiple_lnbf How_to_add_a_dual_lnb How_to_DIY_Dual_LNBF_installation_Diagram