4HD-EM Datasheet, PDF (26/27 Pages) THOR communications – 2ch or 4ch HD-SDI

H-2/4HD-EM(S/H)
Chapter 5 Troubleshooting
THOR’s ISO9001 quality assurance system has been approved by the CQC
organization. We guarantee the products’ quality, reliability and stability. All THOR
products haven passed all testing and manual inspections before they are shipped
out. The testing and inspection scheme already covers all the Optical, Electronic
and Mechanical criteria which have been published by THOR. To prevent a
potential hazard, please strictly follow the operation conditions.
Prevention Measures
Installing the device in a place where the environmental temperature is
between 0 to 45 °C
Making sure the unit has plenty of ventilation for the heat-sink on the rear
panel; and other heat-sink bores if necessary
Checking the AC input within the power supply and ensure it is working, the
connection is correctly installed before switching on device
Checking the RF output levels to stay within a tolerable 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 be greater than 10 seconds.
Conditions needed to unplug power cord
Power cord or socket damage.
Any liquid that got into the device.
Any stuff that could cause a circuit short
Device in damp environment
Device has suffered from physical damage; i.e. it fell off a rack.
Longtime idle.
After switching on and restoring to factory setting, device still won’t work
properly.
Maintenance needed on device