Denon AVR-3311CI - 2. Errors checking mode (Displaying the protection history); 2.1. Operation specifications; 2.2. About the display on the FL display

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2. Errors checking mode (Displaying the protection history)
2.1. Operation specications
Error mode (Displaying the protection history):
Whenstartedup,theerrorinformationisdisplayed.
Starting up:
●All model commonness
Withthe"STATUS"and"MENU"buttonspressed,pressthe"ON/STANDBY"buttontoturnthepoweron.Theerror
(protectionhistorydisplay)modeisset.
Now,pressthe"STATUS"buttontoturnontheFLdisplay.
2.2. About the display on the FL display
Whenthe"STATUS"buttonispressedaftersettingtheerror(protectionhistorydisplay)mode,ahistoryliketheone
shownbelowisdisplayed,dependingontheconditions.
(1) Normally(whentherehasbeennoprotectionincident)
Upper
P R O T E C T H I S T O R Y
Lower
: N O P R O T E C T
(2) ForASO(whenthelastprotectionincidentwasASOprotection)
Upper
P R O T E C T H I S T O R Y
Lower
: A S O
Cause: Thelinebetweenspeakerterminalsisshorted,orusespeakershavingimpedancelessthanthatspecied.
Supplementary information: Astheexcesscurrentisdetectedafteroperationofthespeakerrelay,theshorted
speakerterminalandtheconnectedspeakercanbeidentied.
Turningonthepowerwithoutcorrectingtheabnormalitywillcausetheprotectionfunctiontoworkabout5seconds
laterandthepowersupplywillbeshutoff.
(3) ForDC(whenthelastprotectionincidentwasDCprotection)
Upper
P R O T E C T H I S T O R Y
Lower
: D C
Cause: DCoutputofthepoweramplierisabnormal.
Turningonthepowerwithoutcorrectingtheabnormalitywillcausetheprotectionfunctiontoworkabout5seconds
laterandthepowersupplywillbeshutoff.
(4) ForTHERMAL(whenthelastprotectionincidentwasTHERMALprotection)
Upper
P R O T E C T H I S T O R Y
Lower
: T H E R M A L
Cause: Thetemperatureoftheheatsinkisexcessive.
Turningonthepowerwithoutcorrectingtheabnormalitywillcausetheprotectionfunctiontoworkabout5seconds
laterandthepowersupplywillbeshutoff.
z
 Additionalcausesofprotectioncanbeduetolooseconnections,associatedcomponents,Microprocessor,etc.
Whenthe"STATUS"buttonispressedagainaftertheaboveprotectionhistoryisdisplayed,thenormaldisplayreappears.