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DPA250
Troubleshooting
Problem
Unit will not turn on
(no power LED indicator)
Unit has power - power
LED is green
(but no sound)
other or touching chassis ground
Unit blows fuse(s)
Engine noise
Protect LED illuminates
red
other or touching chassis ground
(protect mode)
Distorted audio output
Low audio output
Weak bass
OPERATION
Cause
Action
other and chassis ground
connection
connected to clean bare metal
other and chassis ground
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