EAW VRM12 Instruction Manual

Also see for VRM12: Specifications

Contents

EAW VRM12 Instruction Manual Manual pdf 12 page image

12 – VRM127. TROUBLESHOOTINGLoudspeaker difficulties usually fall into one of the following categories. The causes foreach are listed in the most likely order of probability.No Sound or Low Output• Loudspeaker cables or connectors are not wired correctly or are faulty. Checkall cabling, referring to these instructions for the correct connections. The bestway to check a suspect cable is to swap it with a known good cable. Check theloudspeaker’s input panel to verify correct cable connections.• Electronic equipment is not turned on, or the level controls are not adjusted properly.Make sure that all equipment in the signal path is powered up, and that all controlsare set to appropriate levels for normal operation.• Loudspeaker is not working. Connect the loudspeaker cable to a known goodloudspeaker, leaving all equipment set to the same levels. If the problem disappears,the loudspeaker is probably not working. Contact EAW Commercial Technical Supportfor appropriate troubleshooting.Distorted Sound• The power amplifier is clipping. The signal level is exceeding the limits of yoursystem and you must reduce the level.• Other electronic equipment is being overdriven. Ensure that no equipment in thesignal chain is being over driven. For example: input(s) or summing bus in the mixingconsole, equalizers, etc.• Driver(s) not working properly. Contact EAW Commercial Technical Support forappropriate troubleshooting.Partial Sound (frequency band missing)• Incorrect EQ settings in the electronic equipment. Ensure that all EQ settings andfilters on the mixing console, preamplifier, or other equipment are set for normaloperation. Ensure that level controls on electronic crossovers and associatedamplifiers are correctly set, and that all cables and connections for such equipmentare connected and working properly.• Driver not working properly. Contact EAW Commercial Technical Support forappropriate troubleshooting.• The crossover network inside the loudspeaker is not working properly. Contact EAWCommercial Technical Support for appropriate troubleshooting.