Thor 4 Ch HD Analog or Digital to HDTV modulator - Manual (Page 30)

4-ADHD
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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