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Trouble shooting

If something has gone wrong with the device, please follow up the below steps to solve the problems:

1) Check whether the connection is well or not according to the user manual；

2) Check whether the UTP cable connect well or not, with open circuit or not, and the pin connection table of transmitter and receiver right or not；

3) Check the transmission distance is no more than the max transmission distance；

4) Check the power input of TT4501R is 12VDC or not；

5) Change the faulty device with well working device to check the device damaged or not；

6) If the device still cannot work, please contact the manufacturer.

After-sale Service

There is 1-year world-wide warranty from the date of purchasing.

The warranty terms as below for your reference.

1) Return: within 15 days from the shipping date due to the quality problems

2) Replacement: within 30 days from the shipping date due to the quality problems

3) Maintenance:

Within 1-year warranty period, free of charge for repair.

Exceeding 1-year warranty, the repair is paid by customers according to the situation of the device.

The following factors resulted in the failure or damage for the device are not covered under the warranty terms:

1) All man-made damage, including non-normal work environment, not in accordance with user manual and improper storage, etc;

2) Users disassemble, repair or take the product to a undesignated maintenance point by manufacturer for detection and maintenance;

3) Failure or damage is due to force majeure and other unexpected events (such as natural disasters, fire, lightning and earthquakes);

4) Other problems and faulty caused by the non-normal use.