Starting Diag In The Protection Cancel Mode; Canceling Diag; Display Provided When Diag Started; When There Is No History Of Protection Function - Yamaha MCR-E810 Service Manual

RX-E810/RX-E410/NX-E800
• Starting DIAG
Press the "STANDBY/ON" key while simultaneously pressing those two keys of the main unit as indicated in the figure
below.

• Starting DIAG in the protection cancel mode

If the protection function works and causes hindrance to trouble diagnosis, cancel the protection function as described
below, and it will be possible to enter the DIAG mode. (The protection functions other than the excess current detect function
will be disabled.)
Press the "STANDBY/ON" key while simultaneously pressing those two keys indicated in the figure above. At this time, keep
pressing those two keys for 3 seconds or longer.
In this mode, the "SLEEP" segment of the FL display of the main unit flashes to indicate that the mode is DIAG mode with the
protection functions disabled.
CAUTION!
Using this product with the protection function disabled may cause damage to itself. Use special care for this point when
using this mode.

• Canceling DIAG

1 Before canceling DIAG, execute setting for FACTORY PRESET of DIAG menu No.3 (Memory initialization inhibited or
Memory initialized).
* In order to keep the user memory stored, be sure to select PRESET INHIBITED (Memory initialization inhibited).
2 Turn off the power by pressing the "STANDBY/ON" key of the main unit.

• Display provided when DIAG started

On the FL display of the main unit, an opening message (including the version and the protection history) appears for a few
seconds followed by the diagnostic menu display (1. FIRMWARE VERSION).

When there is no history of protection function:

Opening message
When there is no protection history
10
Keys of main unit
Turn on the power while pressing these keys.
After a few seconds
NO PROTECT B
Version (1 alphabet)
DIAG menu display
VER.B16 4BG