Extron Electronics MPA 152 User Guide - Manual (Page 17)

Troubleshooting
Under different circumstances, the front panel LED lights green or amber, which provides
diagnostic information.
Amplifier Fails to Exit Standby Mode Promptly
Power LED
Color Problem Description Problem Solution
Amber No output signal. • No input detected: verify that there is an
input signal.
If a signal is present, raise the level of the
source signal.
Green No output signal. • The amplifier may be in mute mode. Check
the remote port.
Green or
Amber Slow to exit standby
mode when a signal is
present. • The input signal may be too weak. Raise
the level of the source signal.
Amplifier Enters Standby Mode Too Early
Power LED
Color Problem Description Problem Solution
Green or
Amber Enters standby mode
early. • The input signal may be too weak. Raise
the level of the source signal.
MPA 152 • Setup and Operation 11