RS20i Installation and Operating Guide Page 21RS20i Installation & Operating Guide Document # 9301H52900 Ver. 1.001.5 Troubleshooting (Operation)The following table provides troubleshooting data for the RS20i.PROBLEM SOLUTIONRS20i will not power ON Press and release the power button on the front panel. If theunit will not power up, be sure the rear panel power switch isON and the unit is plugged into a working AC outlet protectedby a surge protector. See Powering ON the RS20i Processor,page 15.If the RS20i is mounted in a rack and a breaker is used for therack, make sure the breaker is ON.Verify the surge protector is powered and is working.Try changing the RS20i power cord.If power is getting to the RS20i but it still will not power ON,maybe the fuse above the AC In connector (on the rear panel)is blown and/or the input voltage setting is incorrect. Seesection 2.5.4 for more information or call a qualified installer tocheck it.RS20i front panel display is toodimThe front panel display automatically dims when not touched fora few seconds. Gently touch the display screen to brighten it.No sound in theater On the front panel display, verify that the RS20i is not muted(Mute button text will be red if in mute). Unmute by touchingthe Mute button. Mute text will be white when unmuted.Be sure the volume control level is not too low (-70dB). Turnthe knob to increase the volume.Verify the RS20i is in the correct input.Volume is too low or high in thetheaterTurn the volume control knob to achieve proper volume.Volume is too low or high on theexternal monitorTouch the Monitor button to open the Monitor window, thentouch the + or – to adjust the monitor volume.No sound on the external monitor Verify the Monitor is not muted (red text). To unmute, touch theMonitor button, then touch the red Mute button.Verify a powered speaker is connected to the RS20i rear panel.Verify the speaker’s power is ON.Adjust the monitor volume (see previous entry).Check monitor mix menu (see section 1.4.2)Wrong sound in theater Verify that the RS20i input is selected (The current input ishighlighted in the bottom row of the display.) Touch a differentinput to select. If the input you want is not listed, it has notbeen set up – contact your installer.Front panel volume control notfunctioningUse touch screen work around until volume control can berepaired (see section 5.2) and contact your installer.