37C8. Update SoftwareDownload update file from our web site, follow the user manual of IU-01 to update thefixture via IU-01(not included).9. TroubleshootingFollowing are a few common problems that may occur during operation. Here aresome suggestions for easy troubleshooting:A. The unit does not work, no light and the fan does not work1. Check the connect power and main fuse.2. Measure the mains voltage on the main connector.3. Check the power on LED to see if it can be light up or not.B. Not responding to DMX controller1. DMX LED should be on. If not, check DMX connectors, cables to see if they are linkedproperly.2. If the DMX LED is on and no response to the channel, check the address settings andDMX polarity.3. If you have intermittent DMX signal problems, check the pins on connectors or on PCBof the unit or the previous one.4. Try to use another DMX controller.5. Check to see if the DMX cables run near or run alongside high voltage cables that maycause damage or interference to DMX interface circuit.C. One of the channels is not working well1. The stepper motor might be damaged or the cable connected to the PCB is broken.2. The motor’s drive IC on the PCB might be out of condition.D. The lamp is cutting out intermittently1. The lamp is not working well. Check the mains voltage either too high or too low.2. Internal temperature may be too high. Check ifreplacement of fan is needed on the head.E. If The pan belt is broken1. Turn off the mains power.2. Loosen the screws (A),open the cover (B).3. Loosen the screws (C).4. Unplug all the connect wires over the belt.