Fault Modes; Front Panel Power Led; Front Panel Zone Leds - MartinLogan MP500 Operating Manual

4. FAULT MODES

4.1 FRONT PANEL POWER LED

Power LED Status or Fault
Blue On
Red Standby or Fault
Off No AC power

4.2 FRONT PANEL ZONE LEDS

POWER STEREO
Power LED Stereo LED
Blue Off
Blue Blue
Blue —
Blue —
Blue Red flashing
Blue Blue flashing
Blue Red
Red Red
Blue —
Blue —
Blue —
Red —
Blue / Red —
Red —
13
SUB
Subwoofer LED
—
—
off
Blue
—
—
—
—
Red flashing
Blue flashing
Red
Red
—
—
Status or Fault
MP500 enabled, no music detected.
Stereo operation: MP500 enabled, music playing.
MP500 enabled, no music detected.
Subwoofer operation:
MP500 enabled, music playing.
AMP fault. over current / DC Fault. /
Stereo operation.
AMP over temp. Stereo operation.
AMP mute. When AMP temp over upper limit.
Stereo operation.
Power supply over current.
Stereo operation.
AMP fault. over current / DC Fault.
Subwoofer operation.
AMP over temp. Subwoofer
operation.
AMP mute. When AMP temp over upper limit.
Subwoofer operation.
Power supply over current.
Subwoofer operation.
Software error. Initialization error.(DSP/Codec
failure).
Standby
Clear Fault
—
—
—
—
Self-recovery
Self-recovery
Self-recovery
To clear this fault condition, cycle the power
by turning off AC power. Wait 1 minute before
turning the MP500 back on.
Self-recovery
Self-recovery
Self-recovery
To clear this fault condition, cycle the power
by turning off AC power. Wait 1 minute before
turning the MP500 back on.
To clear this fault condition, cycle the power
by turning off AC power.
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