Owner`s manual
Table Of Contents

Viola Legacy Manual Rev 0
Page 11 of 14
14
th
February 2009
• Check that the input selector and any other relevant switches are
set appropriately.
• Check that the signal source is playing.
• Check that the pre-amplifier and or signal source volume control(s)
are set at a level that is loud enough to hear.
3. The front LED is blinking.
The Legacy front panel LED will blink when a fault occurs. Count the
position of the bright led in the sequence starting with count one after the pause
in the sequence. This will be the error code of what shut the amplifier down.
Number
Fault
1
+12 Volt Over Voltage
2
- Power Supply Over Voltage
3
+ Power Supply Over Voltage
4
Inverting Amplifier PNP Over Temperature
5
Inverting Amplifier NPN Over Temperature
6
Inverting Amplifier + DC Offset
7
Inverting Amplifier - DC Offset
8
9
10
Non-Inverting Amplifier PNP Over Temperature
11
Non-Inverting Amplifier NPN Over Temperature
12
Non-Inverting Amplifier + DC Offset
13
Non-Inverting Amplifier - DC Offset
14
15
Lost AC Power Line Cycle
3. The amplifier keeps shutting down?
Use the above information to help determine the problem.
• Faults 1, 2 and 3 could be too high of an incoming AC line voltage.
• Faults 4, 5, 10 and 11 could be inadequate ventilation.
• Fault 15 is caused by a power interruption.
• Contact the dealer or maker directly for assistance.










