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13.0 Trouble Shooting
Problem What To Do
Unit fails to illuminate when the power
is connected.
1) Check to see if your AC outlet has power.
2) X1 protection fuse may be blown and
needs to be replaced. Contact your NHT
dealer for assistance.
3) A1 protection fuse may be blown and
needs to be replaced. See section 10.6
changing the fuse.
Unit has no sound output 1) Verify that the ‘P’ (Green) LED is illuminated.
2) If only the ‘S’ (Amber) LED is illuminated verify that the
trigger mode switch is in the ‘Audio’ position.
3) If the trigger mode switch is in the ‘12V Ext’ position
make sure there is 12VDC signal present.
4) Verify system hookup is correct and your unit is reciev-
ing signal.
5) (A1 Only) If the ‘F’ fault (RED) LED is illuminated,
check for shorted speaker wires. Turn unit off/on to
reset.