Bose manual E4 System Troubleshooting, Introduction, E4 hardware indicators, Normal operation

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8.0 E4 System Troubleshooting

8.1 Introduction

This section provides troubleshooting guidelines to use for solv- ing any problems you may encounter while installing and servic- ing E4 systems.

8.2 E4 hardware indicators

To determine the severity of the error, cycle the E4 unit power off and back on again. If the SYSTEM STATUS indicator is now off, the E4 system has logged an error, but is still operational.

When you check the error log using the FreeSpace® Installer™ software you can identify the cause of the error, and determine an appropriate solution.

8.2.1 Normal operation

These are the indications of normal operation.

STANDBY

 

 

AMP OUTPUTS

 

 

SYSTEM

 

 

 

 

Unlit

1

2

3

 

 

4

STATUS

SYSTEM STATUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Green

 

 

 

 

 

 

 

 

 

 

 

STANDBY

AMP OUTPUTS

 

AUDIO SOURCES

 

 

 

 

 

DIRECT

 

 

Unlit or Green

 

 

 

 

 

 

 

 

 

 

 

1

2

3

 

 

4

INPUT

 

 

AUDIO SOURCES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unlit, Amber, or Green

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIRECT INPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unlit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8.2.2 System fault

A red SYSTEM STATUS LED indicates that the E4 received an error from one of its many internal components. A red SYSTEM STATUS LED after AC power is switched on may be caused by:

A Power-On Self-Test failure

A DSP error

The DSP is offline

 

 

AMP OUTPUTS

 

 

 

 

 

System logged an error – Check the

 

 

 

 

SYSTEM

Installer™ software Error Log.

 

 

 

 

1

2

3

 

 

4

STATUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STANDBY

 

 

 

 

 

 

 

 

 

 

 

 

 

AUDIO SOURCES

 

 

 

 

 

 

DIRECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

 

 

4

INPUT

 

 

 

SYSTEM STATUS

Indicator is red

Have you cycled

No

the E4 in and out

 

 

 

 

of STANDBY?

 

 

 

Yes

 

 

 

 

 

 

Have you cycled

No

the E4 power

 

 

 

 

on and off?

 

 

 

Yes

 

 

 

 

 

 

 

 

 

Have you

No

disconnected all

 

 

input/output

 

 

cables?

 

 

 

Yes

 

 

 

 

 

 

 

 

 

Switch the E4 unit to STANDBY and then back to active again. If the SYSTEM STATUS is green, the sys- tem may have logged an error. Check the Installer™ software Error Log.

1.Switch the E4 unit to STANDBY.

2.Set the POWER switch to OFF.

3.Wait for STANDBY indicator to turn off.

4.Set the POWER switch to ON.

5.Press the STANDBY switch.

1.Switch the E4 unit to STANDBY.

2.Set the POWER switch to OFF.

3.Disconnect all input/output sig- nal cables.

4.Set the POWER switch to ON.

5.Press the STANDBY switch.

6.Reconnect one cable at a time and check the Error Log.

Contact Bose

Customer Service.

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Contents FreeSpace E4 Series II Business Music System Declaration of Conformity Contents Contents E4 hardware indicators E4 System TroubleshootingSystem fault IntroductionAMP Output Amplifier faultDirect input is active No Standby and System indicatorsInput clipping Contents of the Error Log FreeSpace E4 system Error LogHardware configuration Power-on self-test resultsAmplifier alarms using output voltage and current Amplifier alarmsInput and output alarm history Solving faults reported in the Error LogNo audio in zone Common problemsCommunications port error Bad sound in a zone User interface keypads do not operate correctlyReporting software bugs and issues Auto Volume does not calibrateCustomer support Technical assistanceFor Windows NT Restoring E4 Microcontroller Code Restoring E-4 Microcontroller Code Bose Product Sales Conditions
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