SHANY CCTV SYSTEM - Q&A - Speed Dome Camera General Failure Analysis.
 

     

 

Speed Dome Camera General Failure Analysis
Q1 : After power on, no motion and no image.
Q2 : Self-test is exceptional, there is image but with motor noise “moo”.
Q3 : Self-test is normal, but there is no image.
Q4 : Self-test is successful, but can’t control.
Q5 : Image is not stable.
Q6 : Dome device is not controllable.
Q7 : Iris of the Dome device is not controllable.
 

Q1 : After power on, no motion and no image.

Possible Reason

Troubleshooting

Power supply module is damaged or power is not enough. Change
Power cable is connected improperly. Correct
Failure occurs on engineering line. Eliminate
 

Q2 : Self-test is exceptional, there is image but with motor noise “moo”.

Possible Reason

Troubleshooting

Mechanism failure. Examine and repair
Video camera is slantwise. Put right
Power is not enough.

Change power that meets requirements. It is recommended to place the power switch near the Dome device.

 

Q3 : Self-test is normal, but there is no image.

Possible Reason

Troubleshooting

Video line is connected mistakenly. Correct
Video line is poor contact. Eliminate
Video camera is damaged. Change
 

Q4 : Self-test is successful, but can’t control.

Possible Reason

Troubleshooting

Control signal line is connected mistakenly. Correct
Position of Dome device does not match. Re-select
Protocols are not matched. Adjust the protocols being match with the controller. Re-power on.
 

Q5 : Image is not stable.

Possible Reason

Troubleshooting

Video line is poor contact. Eliminate
Power is not enough. Change
 

Q6 : Dome device is not controllable.

Possible Reason

Troubleshooting

Self-test is exceptional. Re-power on
Control signal line is poor contact. Eliminate
Operation of Host has problem. Re-power the host on
Too much load or communication distance is too long.

1. Confirm terminal resistance

2. Add code distributor

 

 

Q7 : Iris of the Dome device is not controllable.

Possible Reason

Troubleshooting

Iris is in manual status. Use control command to set iris to manual status and iris can be controlled.
 

     

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