VIDEX VproX-100
(2 DOOR, 100 KEY SYSTEM)
5
Trouble shooting guide
The display does not show [--] when you power up :
Check the voltage 12 & - on the cpu.
Disconnect everything except the supply into the CPU and check again. (If the fault goes
away check all connections and wiring again).
The reader head is only showing red in standby :
Check the LG1/2 connection from the cpu to the reader head for breaks.
Check the voltage across LG1/2 & - (This should be 8V DC). Do this check at the CPU
with both the Read head connected and disconnected.
The reader head is only showing green in standby :
Check the LR1/2 connection from the cpu to the reader head for breaks.
Check the voltage across LR1/2 & - (This should be 8V DC). Do this check at the CPU
with both the Read head connected and disconnected.
The LED’s on the read head are on but do not change state when a key is presented :
Check terminal RK1/2 for continuity and possible shorts to other wires.
Reader head is going green when a key or Tag is inserted but the door is not opening :
Check the relay is operating on the CPU. If the relay is operating :
Check with a volt meter the voltage across the lock release when the relay has energized.
If the correct voltage is there, replace the release. If not, check the cables from the
release, back to the relay.
The reader head is dead :
Check the - terminal to the reader head for continuity.
Check the reader head connections for shorts.
Check the CPU is powered up.
The key has been programmed but the reader head is going red.
Check the key or Tag is programmed by using the read key mode on the CPU.
Check in the programming that the door has not been switched off.
VP100
