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Mark Levinson
8. The amplifier keeps powering off.
•A fault condition may be present at the input (e.g., a DC signal
from the preamplifier) or the output (e.g., short- circuited
loudspeaker wires). If this occurs:
a. Power the Nº433 off with the power button.
b. Disconnect the input signal and loudspeaker wires.
c. Wait five minutes.
d. Power the Nº433 on with the power button.
If the Nº433 powers on without entering standby or sleep
mode, a fault condition is present at the input or the output. To
isolate the problem:
a. Power the Nº433 off with the power button.
b. Reconnect the loudspeaker wires.
c. Wait five minutes.
d. Power the Nº433 on with the power button.
If the Nº433 powers on into standby or sleep mode, the fault
condition is present at the input. If not, the fault condition is
present at the output.
9. If all else fails...
• Power cycle the Nº433 with the power button, waiting at least
five minutes between powering the Nº433 off and on.
• Contact an authorized Mark Levinson dealer.
• Contact Mark Levinson Customer Service at
www.marklevinson.com.