Boulder Amplifiers 860 manual Troubleshooting Symptom Cause Remedy

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TROUBLESHOOTING

SYMPTOM

CAUSE

REMEDY

No power indication

Power switch is not on

Turn on rear panel power switch

 

Power amplifier is not plugged in

Connect to an AC outlet

 

Home circuit breaker is tripped

Reset circuit breaker

 

Fuse on rear panel blown

Replace fuse

Red power indication

Low line voltage

Have line voltage checked

 

Power supply breaker tripped

Reset breakers on rear panel

 

Defective amplifier

Return to dealer for service

Amber power indication, but sound not

No signal from one channel of source

Check source controls, cables, and

heard from one channel

 

connections

 

One channel is muted by balance control

Recenter balance on preamp

 

No signal out to power amplifier

Check connections to power amp

5-2

APPENDIX

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Contents Page Boulder Watt Stereo Power Amplifier Boulder 860 Stereo Power Amplifier Rear Panel Table of Contents Appendix Placement of the 860 Stereo Power Amplifier Getting StartedConnecting to the Mains Outlet Connecting a Balanced Source Connecting AN Unbalanced Source Connecting Your Loudspeakers PolarityPowering UP OperationClip Detection Thermal Protection MaintenanceShorted Output Detection Remote Control Operation Volt TriggerConnecting Boulderlink BoulderlinkSetting Boulderlink Switches Setting Boulderlink ID NumbersPower UP VIA Boulderlink Boulderlink Messages Boulder 860 Stereo Power Amplifier Specifications Troubleshooting Symptom Cause Remedy Appendix