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Nº532 Power Amplifier
Troubleshooting
Incorrect operation is sometimes mistaken for malfunction. If
problems occur, use this section for troubleshooting information. If
problems persist, contact your authorized Mark Levinson dealer.
No Power
1. Examine the power cord to ensure that it is connected to both
the rear panel connector of the Nº532 and an electrical outlet.
2. Make sure the Nº532 is powered on with the Power button.
3. Make sure the Nº532 is not in Standby or Power Save mode. The
LED should be at full brightness.
4. Examine the electrical circuit breaker to ensure that power is being
supplied to the electrical outlet to which the Nº532 is connected.
5. Verify that the voltage rating on the rear panel of the Nº532
matches the voltage rating of the electrical outlet. If the voltages
do not match, no power is sent to the outputs of the amplifier.
No Output
1. Make sure that the source device is powered on, playing audio,
and set to the right output connector.
2. Examine cables to ensure a solid connection between the Nº532
and associated components.
3. Make sure the Nº532 output connectors are connected to
operational loudspeakers.
4. Ensure that the Nº532 is not in a fault condition. When the
Nº532 experiences a fault, the output is muted and the Status
LED on the front panel blinks in a rapid pattern, indicating:
*Signal-related faults include significant DC offset at the output due to either DC in the input
signal or a failed component within the amplifier OR excessive current demands due to a
short-circuited loudspeaker wire.
Can’t Assign in ML Net
You must assign the slave from the master device. Verify that the
slave you want to assign is listed in the master device list and check
its current state. For further explanations on assigning slave devices,
refer to the owner’s manual of the master device.
LED Behavior Description
Rapidly blinking
(on most of the time)
Indicates that a power-related fault has occurred.
Rapidly blinking
(on half of the time)
Indicates that a signal-related fault* has occurred.
Rapidly blinking
(off most of the time)
Indicates that a thermal-related fault has
occurred.