CCTV System Problems Solutions-Decoder

Power-on but power light off

• Check whether power connects to post
• Check whether fuse is destroyed

Once power-on, fuse is destroyed

• Check whether the com of connecting terminal is correct
• Check whether pan / tilt voltage-out selection is correct

Power light on but fail to control

• Whether signal wire is correct
• Whether controlling power with signal light flashing
• Whether program correctly

Out of control, turning with disorder

• Check control-signal wire
• Same signal wire with control wire over long
• Same signal wire connects to excessive decoders