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Knowledge Base

Camera can’ be normally controlled

Publication Date:  2012-09-22  |   Views:  294  |   Downloads:  0  |   Author:  q00229199  |   Document ID:  EKB1000015827

Contents

Issue Description

Bureau maintainer find out that when they operate camera to move up, down, left, right, camera can’t move short distance, it can only to the edge of each direction.

Alarm Information

None

Handling Process

Analyze the phenomenon, the reason may be:
1. Terminal data configuration fault.
2. Camera has malfunction
3. Connection  of terminal host and camera has malfunction
4. Terminal host has malfunction
Set the video control data on operation platform again, restart host, the problem is not solved. Eliminate the first possibility; replace another normal camera, control is still abnormal; eliminate the second possibility; check the camera and terminal’s connection, plug and unplug the line, control is still abnormal, eliminate the third possibility; replace host, set the data, camera control becomes normal, problem is solved

Root Cause

Because of the bad welding, there may be soldering tin left on circuit board, or dry joint on internal circuit. When using, a slight shock may cause circuit malfunction. Then control signal can’t transmit normally.

Suggestions

None