Theta Digital Dreadnaught II Stereo Amplifier User Manual


 
Appendix A Troubleshooting Guide
If the Dreadnaught II should function abnormally during operation, please review the items in the following
checklist. Please be sure to thoroughly check all other connected components such as speakers,
preamplifiers, as well as cables.
Symptom Possible Cause(s) Remedy
No power or front panel
lights and no sound.
Power cable is not inserted 100% into AC
input connector.
Ensure that the AC cord is inserted all the
way into the Dreadnaught II and that the wall
outlet is active.
Rear panel fuse is open. Replace with same type and rating ONLY.
Circuit breaker is open (AC outlet). Check the AC outlet circuit breaker and reset,
if necessary, or contact your dealer.
No audio output. STEREO/SURROUND switch not set
correctly.
Verify all switch settings to ensure that a
given channel is assigned to the correct buss.
SURROUND buss is off, or in standby Press the front panel SURROUND button
once. The SURROUND LED should be
illuminated green.
Overheating If the front panel THERMAL LED is
illuminated, shut down the Dreadnaught II
until it cools. An external fan may be
necessary.
Plus or minus fuse is open. Check the rear panel fuse indicator LEDS. If
one is on, an internal fuse is open.
Hot/Warm Normal operation
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