Owner's Manual

8
TROUBLESHOOTING
> FOCAL SIGN DOES NOT LIGHT
1. Measure the voltage at the amplifier power terminal.
It should be between 12 and 15 volts.
2. Measure the voltage at the amplifier REM terminal.
It should be between 12 and 15 volts.
3. Is the REM wire connected?
4. Check your power and ground connections to be correct polarity + and - and
they are tight.
5. Check battery connections.
6. Check the fuse in the REM wire.
7. Check the 50 AMP fuse at battery.
8. Check fuses inside amplifier.
The fuses are inside the amp under he bottom panel.
The recommended ATC fuse size is two 25 amp.
To remove the bottom panel, turn amp upside down with the front panel facing
you. Remove the 3 screws on the bottom panel and the 2 upper front side
panel screws to expose the 2 fuses.
> AMPLIFIER BLOWS FUSE WHEN YOU TURN IT ON
1. Power and ground may be reversed.
Check + and - polarity at amplifier and at battery.