Marsh Sound Design P2000-B High Performance Line Amplifier - Manual (Page 14)

Marsh 14
If the unit does not function properly, please check the list below and follow the instructions.
If the problem still occurs, please contact our service department.
PROBLEM
1. Unit does not turn on.
The LED is not lit.
2. No sound.
3. No sound from one speaker.
4. Low bass sound.
SOLUTION
Confirm that the power cord is plugged in
properly.
Check If the fuse is still good.
Check the speaker cable connection.
Check the interconnect cable connection.
Check the speaker or interconnect cable
connection.
Check the BALANCE control on the
preamplifier, make sure that it is in the
middle position.
Check the speaker cables for correct
phase connection.
Troubleshooting Guide