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Yamaha R-840 Receiver: Blinking Green Power Light - Reset & Troubleshooting Solutions

Padi_21 16695 6
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #1 16172604
    Padi_21
    Level 8  
    Hello
    I own a Yamaha R-840 that suddenly turned off and stopped working. Only the power light flashes green. Please help - is there any way to reset it?

    Regards
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  • #2 16172660
    sylweksylwina
    Moderator of Computers service  
    The display shows nothing? Entering service mode is done by turning the balance fully to the left, holding pure direct and pressing the switch with the equipment turned off. Later, you should release the buttons immediately, when the equipment turns off immediately, it means that something is damaged and you should not hold the buttons any longer because it will bypass the security and something may go up in smoke. If the equipment turns on, please specify what will be displayed immediately after entering the service mode. To exit the service mode, turn off the equipment.
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  • #3 16172681
    Padi_21
    Level 8  
    PS2 0093, probably 93, because it immediately showed up: 1.VER:103/G
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  • #4 16172715
    sylweksylwina
    Moderator of Computers service  
    The microprocessor detects disturbances in internal supply voltages. It is possible that some power surge (in the outlet) caused this problem. If the equipment works, you can use it. If the situation repeats, the service or warranty remains.
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  • #5 16172719
    Padi_21
    Level 8  
    So how should I proceed now? how to get out of this message?
  • #6 16172722
    sylweksylwina
    Moderator of Computers service  
    Switch off the switch and switch it on again.
  • #7 16172757
    Padi_21
    Level 8  
    Thank you very much for your help!!! :)
    Topic is closed.
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Topic summary

The Yamaha R-840 receiver experienced a malfunction where the power light blinks green and the display shows no information. A suggested troubleshooting method involves entering service mode by turning the balance fully left, holding the "pure direct" button, and pressing the power switch while the device is off. If the device turns on, the displayed code (e.g., PS2 0093) can indicate the issue. The problem may stem from disturbances in internal supply voltages, possibly due to a power surge. If the device is operational, it can be used, but repeated issues may require service or warranty intervention. To exit service mode, simply turn off the device and then switch it back on.
Summary generated by the language model.
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