Extron Electronics MPA 401 Series User Guide - Manual (Page 19)

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 input level.
• The amplifier is in standby mode and the
output has been turned off. 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 input level.
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 input level.
MPA 401-70V and MPA 401-100V • Setup and Operation 13