Troubleshooting - Classe Audio Delta PRE Owner's Manual

Troubleshooting

Always refer any service problems to your Classé dealer. However, if you run into
a problem, we recommend referring to this section first as sometimes an error
is not a malfunctioning product, but simply an oversight in the proper setup
or use of the component. This section provides suggested solutions to potential
problems.
If none of these solutions work, please consult your Classé dealer for assistance.
There are no user-serviceable parts inside the Delta PRE.
Important!
Verify that the power amplifier(s) connected to the Delta PRE
is powered off before checking any cable connections and
before power cycling the unit.
1 Everything appears to be powered on, but there is no sound.
P Adjust the volume control to a moderate level - audible but not
P Make sure that the selected source component is powered on,
P Ensure that the proper connector has been selected for the
P Try both analog and digital sources. For digital sources a file
P Verify that the Mute control is NOT engaged. This also applies
P Ensure that the amplifier is powered up and not in Standby
P Verify that all cables are securely connected to the proper inputs
2 There is no sound and neither the Standby LED/Status
Indicator nor the touchscreen is lit.
P Ensure that the Delta PRE is properly connected to the electrical
P If the Delta PRE is properly plugged in and the power from the
P Remove the AC cord from the unit, and open the fuse holder
excessive (e.g. -35.00 dB).
not in Standby mode, that it is playing an audio track and not in
pause mode.
current source.
format and sampling frequency will appear at the bottom of the
Home page. The word Idle appears when the digital source is not
providing a signal.
to sources such as USB connected devices. For example, muting
iTunes will result in no output even though the Delta PRE is
setup and operating properly.
mode.
and outputs, with no kinks or stress points.
outlet - the AC cord is positioned firmly in the AC mains
receptacle in the rear panel and the power switch is in the ON
position.
electrical outlet is at the proper level, try the following: Switch
off the main power switch on the rear panel, and unplug the unit
for at least thirty seconds. Then plug the cord back in and try
powering up again. Sometimes, a brown-out (short-term power
loss/drop) can activate a protection mode, which requires a
power cycle to reset the Delta PRE to its normal operating mode.
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