9
TROUBLESHOOTING
Before removing your amplifier, refer to the list below
and follow the suggested procedures. Always test the
speakers and their wires first.
• Make sure you have a good ground connection
• Check that battery is connected to (+) terminal
• Check all fuses. Replace it if necessary
• Make sure the protection LED is not illuminated
No Power
• Check for short circuits on speaker leads
• Check the speaker load if it’s not below the minimum load
• Remove speakers and reset the amplifier
• If the protection LED is still on, the amplifier needs servicing
Protection LED is on
• Check that the RCA audio cables are correctly plugged in
• Check all the speaker load wiring
• Check the headunit output and the amplifier level setting
No Output
• Check that the RCA audio cables are correctly plugged in
• Check all the speaker load wiring
• Check the headunit output and the amplifier input level setting
Low Output
• Check the RCA cables if they are not shorted to power ground at the
amplifier side
High “Hissing” Sound
• Check that the input level control is set to match the signal level of the head
unit. Always try to set the input level as low as possible.
• Check all the crossover frequencies are properly set
• Check for short circuits on the speaker leads
Distorted Sound
• Check that the minimum load impedance is correct
• Check that there is good air circulation around the amplifier. In some cases,
it may be necessary to add an external cooling fan
Overheat
If the above steps fail to remedy the situation, the system should be checked by
an authorized RE Audio Dealer.