Altair owner’s manual
18
Maintenance
The Altair requires no regular maintenance.
If the preamplifier’s surface becomes dusty, simply wipe it off with a soft dry cloth. Do not spray cleaners on
the surface.
To clean fingerprints from the surface of the preamplifier, spray a small amount of mild window cleaner such
as Windex onto a soft dry cloth, then use the cloth to remove the fingerprints. Do not spray the cleaner directly
onto the preamplifier.
Troubleshooting
Preamplifier will not turn on
1. Check to see if the front panel LED is illuminated red. If it is not, try the following steps in order. If any one of
the steps restores the power, there is no need to continue to the next steps.
A. Check power cable connections between the wall and the Altair's power supply.
B. Check power cables between Altair and power supply. DO NOT pull out these cables while the power
supply is on.
C. Make sure the master power switch on the lower right rear of the preamplifier's power supply is turned
on.
D. If the Altair is plugged into an AC line conditioner, make sure the line conditioner is turned on.
F. Flip the master power switch off and on again. This will reset the Altair's internal circuit breaker.
G. Check the circuit breaker for the AC circuit that the Altair is plugged into. If the breaker is tripped, flip it
back on. If it will not turn on, there is likely a short circuit somewhere in the lines or in a device connected
to this AC circuit. Check the power cords for your components to make sure none have been damaged.
H. If none of these conditions restores power, it is possible one of the Altair's internal fuses is blown. Do
not attempt to change the fuse yourself—the Altair requires the use of special high-voltage fuses that are
not commonly available. Contact your Constellation Audio dealer for service.
2. If the front panel LED is illuminated red, push the Standby button on the left of the front panel. The LED
should begin to flash green. If it does, wait for 1 minute for the preamplifier to warm up. When the LED turns
blue, the preamplifier is ready to use but in Mute mode. You will need to press the Mute button on the Pyxis
remote or on the front panel to hear audio.
If the front LED glows red but does not change color when you push Standby, contact your Constellation Audio
dealer.
Preamplifier is on but no sound is produced
1. Make sure the front LED is glowing blue, indicating that the preamp is in active mode. If the LED is glowing
red, push the Standby button and wait 1 minute for the amp to warm up and the LED to glow blue.
2. If the LED is flashing blue, the preamplifier is in mute mode. Hit the Mute button on the front panel or on the
Pyxis remote to restore sound.
3. If the LED is glowing solid blue and you hear no audio, try the following steps in order. If any one of the steps
restores the sound, there is no need to continue to the next steps.
A. Check you are on the correct input. Cycle through available inputs using the front panel controls, or
select the desired input using the Pyxis remote.
B. Check that the source component is on and playing back—i.e., if it is a CD player, make sure that the
CD is playing and not in pause mode.
D. Check the connections between the Altair and your amp, and between the Altair and the audio source
device. If a cable is disconnected, reconnect it. If this does not restore sound, try substituting a different
set of cables in order to make sure the original set was functioning properly.
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