condition
poSSible cauSeS
poSSible SolutionS
The VFD displays
“PROTECTION
LEFT AMP SHORT”.
• Left output short circuit.
• Shut down M2 by turning off the rear
panel POWER switch. If there is no action
undertaken, the M2 will shut down itself (go
to standby mode) within 10 seconds the fault
happened.
• Check for any short circuit at the left and/or
right channel output or LEFT and/or RIGHT
speakers before restarting the M2 again.
The VFD displays
“PROTECTION
RIGHT AMP SHORT”.
• Right output short circuit.
The VFD displays
“PROTECTION
LEFT AND RIGHT SHORT”.
• Left and right output short circuit.
The VFD displays
“PROTECTION
LEFT CHANNEL ERROR”.
• Left channel internal error.
• Shut down M2 by turning off the rear
panel POWER switch. If there is no action
undertaken, the M2 will shut down itself (go
to standby mode) within 10 seconds the fault
happened.
• Restart again the M2 by switching ON the
rear panel POWER switch (if you have shut
down the M2 via the POWER switch) and then
pressing the front panel STANDBY button or
remote control’s [ON] button.
The VFD displays
“PROTECTION
RIGHT CHANNEL ERROR”.
• Right channel internal error.
The VFD displays
“PROTECTION
LEFT AND RIGHT ERROR”.
• Left and right channel internal error.
The VFD displays
“MAIN POWER ERROR”.
• Error with the internal power supply.
The VFD displays
“START UP ERROR
POWER OFF”.
• Internal initialization error when powered on.
The VFD displays
“OVERHEAT”.
• The M2 is too hot due to insufficient ventilation.
• Shut down M2 by turning off the rear panel
POWER switch. Ensure that there is adequate
space below, above and to the sides of the
M2 to allow proper air flow. After the M2
has cooled down normal operation will be
restored.
No power.
• The power cord is disconnected.
• Plug the power cord into the wall outlet
securely.
• POWER switch shut down.
• Set the POWER switch to ON position.
M2 always at standby mode; cannot
be switched ON using the front
panel STANDBY button or remote
control.
• OFF/AUTO TRIGGER switch set to “AUTO” position.
• Slide the OFF/AUTO TRIGGER to “OFF”
position.
No sound.
• Power AC lead unplugged or power not switched ON.
• Check if AC lead is plugged-in and POWER
switched ON.
• The selected source input has no applied input signal
at the corresponding rear panel input socket.
• Check that there is active input signal applied
at the corresponding rear panel input socket.
• Volume control set to minimum level.
• Turn Volume control up to audible level.
• “LOOP” feature is enabled and a connection in “loop”
setup is “broken” (i.e., no connection to OPTICAL OUT,
not looped to “OPTICAL LOOP IN”, etc).
• Check your “loop” connection setup.
• Press “loop” button again to deactivate or turn
off the “loop” feature (“LOOP” is extinguished
in the VFD) thus returning to normal audio
listening of a selected source input.
No sound one channel.
• Speaker not properly connected or damaged.
• Check connections and speakers.
• Input lead disconnected or damaged.
• Check leads and connections.
M2 does not respond to remote
control commands.
• The remote control batteries are dead.
• Replace the remote control batteries.
• Batteries incorrectly inserted.
• Follow correct battery insertion setup.
• IR transmitter window on the remote control or IR
receiver window on the front panel is obstructed.
• Check IR windows and ensure clear line-of-
sight from remote control to M2.
• M2 front panel is in very bright sunlight or ambient
light.
• Reduce sunlight/room lighting.
REFERENCE
troubleShooting
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