4. Set the POWER switch to ON. cables? STANDBY AUDIO SOURCES 5. Press the STANDBY switch. DIRECT INPUT 6. Reconnect one cable at a time and check the Error Log. Contact Bose Customer Service. 61 of 76...
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EQ setting is selected. If none of these actions solve the problem, read the instructions in the following flow chart or check the error log using the Installer™ software. Contact Bose Customer Service. 62 of 76...
AC line voltage. Is the unit properly configured for the line • Verify that the fuse is good. voltage? • Verify that the AC receptacle is live. • Set POWER switch to ON. Contact Bose Customer Service. 63 of 76...
• Host controller – The host controller monitors and controls the operation of the E-4 hardware. A host controller failure will The FreeSpace E-4 system Error Log is displayed when the cause the message, “Power-on self-test incomplete” to appear Installer™ software is in the Service Hardware mode.
8.0 E-4 System Troubleshooting 8.3.4 Amplifier alarms Amplifier alarms – using output voltage and current Each amplifier section monitors its own operation and perfor- Reviewing the output voltage and current can help to diagnose a mance. If a fault condition occurs, it is reported in the Amplifier problem.
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8.0 E-4 System Troubleshooting A number of fault conditions can be displayed in the Input Status Generally, this fault results in a one-time 3-second dropout. If, section: when the amplifier tries to restart after 3 seconds, the excess HF is still present, the amp (and speaker relay) will remain off for DC Sense Fault: A power supply fuse, output FET, amplifier mod- another 3 seconds and the loop repeats.
Again. Not doing this will cause the COM 1 port to be cessively hard. locked. Are the See amplifier fault troubleshooting AMP OUTPUTS section for course of action. indicators green? Contact Bose Customer Service. 67 of 76...
Is the input signal Verify that the total load imped- clean at the E-4 input? ance presented to the E-4 output is within specified limits for the selected mode of operation. Contact Bose Customer Service. Verify source hardware settings 68 of 76...
Make no connection at pin: 8.5 Customer support Source 1 8.5.1 Technical assistance If you need further technical assistance, contact your local Bose Source 2 representative, or send an email to the address for your area: North America Source 3 InstallerSupportNA@bose.com...
To find the temporary file directory… Please email any problems, issues, or software bugs to your local For Windows 2000, or Windows XP: Bose representative. Please include the following information: Right-click My Computer on the Windows desktop. • Software version Select the Properties menu item.
9.0 Upgrading E-4 Microcontroller Code The microcontroller code residing in the E-4 system hardware Press and hold the Ctrl and Alt keys on your PC keyboard can be upgraded using the Installer™ software. and click the (Flash Configuration) button. The Upload Using the E-4 front panel STANDBY button, place the unit in Microcontroller Code dialog appears: standby mode (the STANDBY indicator should be amber).
firmware version numbers are less than the values shown in this example, please contact your local Bose Customer Support representa- tive. 10. Open the design file you saved in Step 6. Click the (Flash Hardware Configuration) button to restore your...
10.0 Technical Specifications 10.1 Power amplifier 10.3 Front panel indicators and control connections Power output Amp output signal indicators Total shared power available for all channels: 400W Maximum power per channel: 400W Zone 1 – Zone 4: dual-color LED Output configurations Source input signal indicators 70.7V or 100V nominal Source 1 –...
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