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Operating Status
LED Sequence ( ) = fl ash, (__) = off
Description of repeated sequences
Normal (no failure) Permanently lit
Power Fail
(i.e. switch off)
Short 50 ms fl ash + 950 ms pause
High Temperature
signal attenuation
750 ms fl ash + 250 ms pause
Over Temperature
main SMPS off
250 ms fl ash + 750 ms pause
DC
reason unknown
250 ms fl ash + 250 ms pause
DC
input-signal-fault
3 * fl ashing + 0.5 s pause
DC
fault in driver stage
4 * fl ashing + 0.5 s pause
DC
output stage defect
5 * fl ashing + 0.5 s pause
Output Stage Defect
without DC
6 * fl ashing + 0.5 s pause
Main SMPS off
(unless high temperature/
power fail)
2 * fl ashing + 0.5 s pause
6 TROUBLESHOOTING
USER MANUAL
VORTEX 6, 4, 2.6 and 200V
P.25
6.1 On LED Flashing Sequences
When switching on the amp the On LEDs fl ash twice accompanied by a fl ash of
Clip LEDs. This is normal for the ‘Start’ sequence of the VORTEX.
When switching off the amp the On LEDs fl ash several times followed by a
fl ash of Clip LEDs. This is normal for the ‘Shut Down’ sequence of the VORTEX.
(It is the same as the loss of the mains voltage.)
In the following table you will fi nd the possible LED sequences of the On LEDs:
Examples of LED Sequences
LED sequence: Channel 1 :
Channel 2 :
Malfunction: Channel 1: high temperature with signal attenuation
Channel 2: normal operation
LED sequence: Channel 1 :
Channel 2 :
Malfunction: Channel 1: DC, output stage defect
Channel 2: main SMPS off