Page 24 / 29 ClearView Corp. Ltd.
KR423I Encoder Modulator User Manual
Chapter 4 Troubleshooting
CLEARVIEW’s ISO9001 quality assurance system has been approved by CQC
organization. For guarantee the products’ quality, reliability and stability. All
CLEARVIEW products have been passed the testing and inspection before ship out
factory. The testing and inspection scheme already covers all the Optical, Electronic
and Mechanical criteria which have been published by CLEARVIEW. To prevent
potential hazard, please strictly follow the operation conditions.
Prevention Measure
➢
Installing the device at the place in which environment temperature between 0 to
45 °C
➢
Making sure good ventilation for the heat-sink on the rear panel and other heat-sink
bores if necessary
➢
Checking the input AC within the power supply working range and the connection
is correct before switching on device
➢
Checking the RF output level varies within tolerant range if it is necessary
➢
Checking all signal cables have been properly connected
➢
Frequently switching on/off device is prohibited; the interval between every
switching on/off must greater than 10 seconds.
Conditions need to unplug power cord
➢
Power cord or socket damaged.
➢
Any liquid flowed into device.
➢
Any stuff causes circuit short
➢
Device in damp environment
➢
Device was suffered from physical damage
➢
Longtime idle.
➢
After switching on and restoring to factory setting, device still cannot work properly.
➢
Maintenance needed
