NAD M2 Owner's Manual

Also see for M2 - CONNECTING A SUBWOOFER: Specifications Manual Owner's manual Service manual

Contents

NAD M2 Owner's Manual Manual pdf 12 page image

CONDITION POSSIBLE CAUSES POSSIBLE SOLUTIONSThe VFD displays“PROTECTIONLEFT AMP SHORT”.• Left output short circuit. • Shut down M2 by turning off the rearpanel POWER switch. If there is no actionundertaken, the M2 will shut down itself (goto standby mode) within 10 seconds the faulthappened.• Check for any short circuit at the left and/orright channel output or LEFT and/or RIGHTspeakers before restarting the M2 again.The VFD displays“PROTECTIONRIGHT AMP SHORT”.• Right output short circuit.The VFD displays“PROTECTIONLEFT AND RIGHT SHORT”.• Left and right output short circuit.The VFD displays“PROTECTIONLEFT CHANNEL ERROR”.• Left channel internal error. • Shut down M2 by turning off the rearpanel POWER switch. If there is no actionundertaken, the M2 will shut down itself (goto standby mode) within 10 seconds the faulthappened.• Restart again the M2 by switching ON therear panel POWER switch (if you have shutdown the M2 via the POWER switch) and thenpressing the front panel STANDBY button orremote control’s [ON] button.The VFD displays“PROTECTIONRIGHT CHANNEL ERROR”.• Right channel internal error.The VFD displays“PROTECTIONLEFT 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 ERRORPOWER 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 panelPOWER switch. Ensure that there is adequatespace below, above and to the sides of theM2 to allow proper air flow. After the M2has cooled down normal operation will berestored.No power. • The power cord is disconnected. • Plug the power cord into the wall outletsecurely.• POWER switch shut down. • Set the POWER switch to ON position.M2 always at standby mode; cannotbe switched ON using the frontpanel STANDBY button or remotecontrol.• 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 POWERswitched ON.• The selected source input has no applied input signalat the corresponding rear panel input socket.• Check that there is active input signal appliedat 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 turnoff the “loop” feature (“LOOP” is extinguishedin the VFD) thus returning to normal audiolistening 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 remotecontrol 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 IRreceiver 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 ambientlight.• Reduce sunlight/room lighting.REFERENCETROUBLESHOOTING12ENGLISH FRANÇAIS ESPAÑOL ITALIANO DEUTSCH NEDERLANDS SVENSKA РУССКИЙ

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