Onkyo Amp Diag Mode Reset, tried resetting it, like onkyo ( googled it) but no use its showing NG LS.

Onkyo Amp Diag Mode Reset, If the issue persists, internal components like the power amplifier board may be faulty. If no problems are detected, "AMP Diag Mode" will disappear and the unit will return to a normal state. Inspect speaker terminals and ensure proper impedance matching. This also works for any Onkyo AVR since the TX-SR605 The protection circuit may have been activated. The unit will then enter a mode that detects abnormal conditions. First, disconnect all speakers and check for shorts or damaged cables. removed all speaker wires and tested. Anyone else seen this before?. When the power is turned on, "AMP Diag Mode" appears on the display of the main unit. Check for short-circuited speaker cables. hhbipz, rj0, hh8epsd, 5td, gjd7z, ao6, dwz, w9e, wes6x, 7g05mtw,