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CAMCO USER MANUAL
VORTEX POWER AMP SERIES
P.24
6.3 Problem: No Sound
Indication: On LEDs not lit
Clip/Output Current Indicators not lit
Check AC plug.
Conrm that AC outlet works by plugging in another device.
Indication: On LEDs lit
Signal LEDs not lit
Make sure the signal source is operating and try another cable.
Check Position of Volume Pots.
Indication: On LEDs lit
Signal LEDs responding to signal level
Check the speaker wiring for breaks.
Try another speaker and cable.
Indication: On LED(s) sequence
The amplier is in protective muting. Refer to On LED -
ashing sequences table to nd out the cause for the mute.
Overheating will cause protective muting.
Check for proper ventilation. If the fan isn’t running the amplier requires
servicing.
6.4 Problem: No Sound or Sound is too Low
Indication: On LED not or sporadically lit
Signal LED off
Clip/Output Current indicator lit green or red
Under Impedance Limiter is active. The load impedance is
abnormally low or shorted.
Unplug each speaker one-by-one. If the On LED indicates normally when
you disconnect a cable, that cable or speaker is shorted.
Take care not to use too many speakers in parallel, which would result in -
an impedance that is too low for normal operation!
Indication: On LED(s) Sequence
Please refer to the On LED sequence table to nd out which
protection is active.
High temperature will cause an attenuation of output level so that under
normal conditions the amp will never mute!
DC will cause the amp to mute or shut down.
Switch off the VORTEX and unplug the source from the amp’s input to
prevent DC entering the amp via the signal source. Then switch on the
VORTEX. If the On-indicator shows the same sequence, the amp will need to
be serviced by a qualied technician.
All other LED sequences that shut down or mute the VORTEX indicate a
serious internal fault. At this point, turn the VORTEX off, remove AC power
and have the amplier serviced by a qualied technician.
6.5 Problem: No Channel Separation
Check the mode indicators on the front panel.
Make sure the mode-switch on the rear panel is in the stereo-position.
Make sure other equipment in the signal path such as mixers and preamps
are set for stereo, not mono.
On the E.U.I., check the Input Signal Parallel Switch is in the stereo-
position.
6.0 TROUBLESHOOTING