NAD Masters Series M2 オーナーマニュアル

•  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.

•  Right output short circuit.

•  Left and right output short circuit.

•  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.

•  Right channel internal error.

•  Left and right channel internal error.

•  Error with the internal power supply.

•  Internal initialization error when powered on.

•  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.

•  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.

•  OFF/AUTO TRIGGER switch set to “AUTO” position.

•  Slide the OFF/AUTO TRIGGER to “OFF” 

position.

•  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.

•  Speaker not properly connected or damaged.

•  Check connections and speakers.

•  Input lead disconnected or damaged.

•  Check leads and connections.

•  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.