FAQ 90
The setting is incorrect.
The bad contact batteries or the voltage is low.
The crystal oscillator is poor.
7.
Q: Can not log in through the client or WEB?
A: It might be:
ActiveX controls are blocked.
Malfunction of network connection.
Wrong network setting
Your user name or password are incorrect.
8.
Q: The network connection is not stable?
A: It might be:
The network is not stable.
IP address conflict
MAC address conflict
Adapters in the local area network have problems or their configurations are wrong.
Network card of the Controller has malfunctions.
5.2 Operations and Maintenance
Do not let irrelevant objects fall into the Controller; otherwise malfunctions might occur.
Do not transport the Controller with the motherboard faces the ground.
Connect the circuit carefully. If you violate relevant circuit regulations, damage to the
Controller might occur.
Short circuit must be prevented when connecting the external wires.
Only when all wires are connected can you connect the Controller to the power supply.
When all wires are connected, bind all the wires with cable ties to prevent short circuit,
giving out heat, and electric shocks.
When distributing wires, you must dissemble the negative binding post of the battery.
Make sure that the Controller will not be exposed to water or be put in high humidity
environment This might result in short circuit, fire, or other dangers.
Do not install the Controller at places under direct sunlight. Install the Controller at places
with good ventilation conditions.
In high humidity environment, dust on the circuit board is likely to cause short circuit. To
prevent damage, please remove dust on the circuit board, plug-ins, and industrial case
regularly.
Make sure that the Controller is connected to the ground wire so that video and audio
signals will not be interfered, and the Controller will not be damaged by static electricity
and induced voltage.
