Pride Uno2 - Troubleshooting

9
Trouble shooting
NO POWER LED ON, NO OUTPU T
• Check +12 V and GND connection
• Check remote signal +12 V
• Check the external fuses or built-in.
POWER LED O N, NO O U TPUT
• Check source unit for output
• Check input gain control
• Check RCA cable
• Check speaker and wiring for shorts
• Check for damaged speakers
NO SO UND O N ON E CHANNEL
• Swap left/right input to check source
... If sound swaps too, source or signal cable is bad
• Swap left/right speaker to check speakers
... If sound does not swap, speaker or speaker wiring is bad
... In any case, consult authorized dealer
AMPLIFIER GO ES IN PROTECTION MODE AT HIG HER G AIN
• Check speaker impedance, UNO, UNO PLUS & UNO XL is 1 ohm.
DUE
2
, QUATTRO
2
, QUATTRO PLUS
2
& QUATTRO XL
2
are 2 ohm stereo or 4 ohm mono.
• Check working voltages (8,5 V - 16 V)
• Check speaker wiring for short circuit
ENG INE OR ALTERNATOR WHINE NOISE
• Check wiring and make sure RCA cables are not run parallel on same side of vehicle as power cable.
• Check any preamps or black boxes in the signal path between source unit and amplifier
• Make sure ground pin (shield or outer barrel of RCA cables) have not lost connection and
that source unit has good reference ground.