Extron electronic XTRA SERIES Troubleshooting, Amplifier Fails to Exit Standby Mode Promptly

Troubleshooting

The front and rear panels have LED warning indicators, as described in the following diagnostic information.

Amplifier Fails to Exit Standby Mode Promptly

The input channel (channels 1 and 2) Signal LED lights green per indicated input channel when an input signal is detected.

Power LED	Signal LED	Problem Description	Problem Solution
Color	State
Amber	Not lit	No output signal	No input detected, verify the
			input signal.
			If input is present, raise input
			level until signal LED lights.
Green or	Lit	Does not promptly exit	The output signal level of the
Amber	intermittently	standby mode with	source may be too low to cross
		signal present.	the signal detection threshold
			of the amplifier (see amplifier
			specifications for details).
			Increase the signal level of the
			source until the signal LED
			lights consistently.
Amber	Lit	No output signal	Amplifier has been placed in
			standby mode and output has
			been turned off. Check remote
			port. DC Fault may have been
			detected (see below).
Amber	Lit	DC Fault is detected	Disconnect power then
		on either channel. Unit	disconnect the remote port (if
		does not exit standby.	connected). Next, reconnect
			power to the unit to determine
			if the unit continues to go
			into immediate standby upon
			power up. In such a case, the
			unit should be serviced.

XTRA Series Half-Rack Audio Power Amplifiers • Troubleshooting 20