How to provide after-sales service abroad?
We have established offices and exhibition halls in multiple countries. Given the increasing demand for overseas products, Ledman will expand its layout to establish exhibition halls and offices in more regions and countries.
What is the duration of after-sales warranty for products standardabroad?
Two years.
The module of the COB product has a column missing or missing a certain color.
There may be a problem with one channel of the 2069 IC due to no output, and the IC itself needs to be replaced.
A row of COB product modules does not light up.
There may be a problem with one channel of the 2019 IC due to no output, and the IC itself needs to be replaced.
Some modules of the COB screen are not as bright as others.
Uploaded an incorrect RCFG file; Correction data loss, read back from the module’s Flash and upload the correction data again; Inconsistent version of receiving card program; Abnormal voltage of some power supplies.
Some of the cabinets on the entire screen do not light up.
Abnormal voltage of some power supplies; Abnormal of signal cable between the cabinets; Abnormal of receive card; Abnormal of the output of the controller.
The entire screen is not lit.
Power failure; The sending card has no signal input; Received card RCFG file error; Network cable transmission failure.
The entire screen is uncontrolled.
Uploaded an incorrect receiving card program; Uploaded an incorrect RCFG file for the receiving card; Serial port failure of sending card; The actual connection between the sending card configured by LCT software and the screen is inconsistent.
No sound in the LEDHUB Windows system.
Volume off; Incorrect sound card settings; Player mute.
Unable to touch on Windows system, normal touch on Android system.
Touch driver error or file loss; OPS computer not properly installed.
