Step 1: Check if respective MCB(s) is ON at Electrical Distribution
Box. If It is OFF, ON it. If it is ON then move to step 2
Step 2: Check if power is received at respective cabinets where
main power cable is connected. If Not, call clients electrician / vendor to
resolve. If received, then move to step 3
Step 3: Check if data is received in respective cabinet(s) where
main data is connected.
If NO, then move to step 4
Step 4: If power is received at the cabinet from which screen is
blank then check if power is received on the receiver card of that cabinet (Red light must be ON & stable). If not, check the SMPS from which receiver
card is receiving power is ON or not. If NO, then change that SMPS.
Step 5: If Red light on receiver
card is ON, then check if data is received at receiver card (Green light must be ON & blinking).
Step 6: Check if Power & Data lights are ON at Sender Card (for
Data: Green light should be blinking &
for Power: Red light should be stable). If Yes,
then check the continuity of main data cable (Cat6 from sender card to receiver
card) with Cat6 / LAN Tester.
If Red light is OFF, then check
its connectivity. If Green light is stable,
then move to step 7
Step 7: Check the DVI cable connectivity between Sender Card and
Step 8: Check if appropriate resolution settings are set on