KANEXPRO MX-HDBASE4x4-4k35 | P a g e6. Troubleshooting & MaintenanceProblems Causes SolutionsColor losing or no videosignal outputThe connecting cables maynot be connected correctlyor it may be broken.Check whether the cablesare connected correctlyand in working condition.Fail or loose connection Make sure the connectionis goodNo output image whenswitchingNo signal at the input /output endCheck with oscilloscope ormultimeter if there is anysignal at the input/ outputend.Fail or loose connection Make sure the connectionis goodInput source is with HDCPwhile the HDCPcompliance is switched off.Send command/%[Y]/[X]:1. or changeHDCP compliance status inGUI.The display doesn’t supportthe input resolution.Switch for another inputsource or enable thedisplay to learn the EDIDdata of the input.Cannot control the devicevia front panel buttonsFront panel buttons arelocked.Send command /%Unlock;or select unlock in GUIinterface to unlockCannot control the devicevia IR remoteThe battery has run off. Change for new battery.The IR remote is broken. Send it to authorized dealerfor repairing.Beyond the effective rangeof the IR signal or notpointing at the IR receiverAdjust the distance andangle and point right at theIR receiver.The IR receiver connectedto IR IN/ IR ALL IN port isnot with carrierChange for an IR receiverwith carrier.