SYMPTOM POSSIBLE CAUSE POSSSIBLE SOLUTION
NO LIGHTS UNIT NOT PLUGGED IN CONNECT POWER CORD TO AC OUTLET,
CHECK AC OUTLET
UNIT HAS FAILED REFER TO SERVICE TECHNICIAN
POWER LED ON BUT SHORTED SPEAKER CORD REPLACE W/DIFFERENT CABLE
FAULT LED ALSO ON SPEAKER IMPEDANCE TOO LOW CHECK MANUAL FOR RECOMMENDED
SPEAKER LOADS
AMP HAS OVERHEATED TURN AMP OFF, WAIT&TURN ON
CHECK SPEAKER IMPEDANCES
AMP HAS FAILED REFER TO SERVICE TECHNICIAN
POWER LED ON BUT TUNING MUTE ON TURN TUNING MUTE OFF
NO SOUND EFFECT IN LOOP TURNED OFF TURN EFFECT ON
VOLUME, BOOST,MASTERS OFF TURN CONTROLS UP
INSTRUMENT TURNED OFF TURN INSTRUMENT VOLUME UP
BAD GUITAR CABLE REPLACE CABLE
BAD BATTERY IN ACTIVE BASS CHECK BATTERY
COMPONENT FAILURE REFER TO SERVICE TECHNICIAN
HUM AND/OR NOISE PICKUPS TOO CLOSE TO AMP OR TRY MOVING,TURN OFF LIGHTS,
OR OTHER ELECTRICAL DEVICE OR OTHER ELECTRONIC DEVICES
BAD GUITAR CABLE REPLACE CABLE
COMPONENT FAILURE REFER TO SERVICE TECHNICIAN
DISTORTION INPUT STAGE CLIPPING PRESS-10Db SWITCH, TURN
DOWN BASS
PREAMP CLIPPING TURN DOWN VOLUME, ADJUST EQ
EFFECTS CLIPPING TURN DOWN VOLUME, BOOST OR
LEVELS ON EFFECTS
POWER AMP CLIPPING TURN DOWN VOLUME, BOOST OR MASTER VOLUME
BAD BATTER IN ACTIVE BASS CHECK BATTERY
COMPONENT FAILURE REFER TO SERVICE TECHNICIAN
ONLY HIGH END MODE SWITCHES NOT SET CHECK MANUAL FOR SETTINGS
OR LOW END SOUND CORRECTLY ON BIAMP & BRIDGE MODE
COMES OUT,OR SWITCHES
LOUDNESS IS EFFECTS NOT HOOKED UP CHECK MANUAL FOR USING
BELOW NORMAL CORRECTLY EFFECTS
WRONG SPEAKON CABLE USE NORMAL SPEAKON CABLE,
NOT BRIDGE MODE CABLE
HUM IN DIRECT OUT GROUND LOOP PRESS GROUND LIFT SWITCH
DISTORTION IN DIRECT SIGNAL TOO "HOT" TURN DOWN BAL.LEVEL CONTROL
TUNING MUTE BAD CORD FOR RF2 FOOTSWITCH REPLACE CORD
AND/OR BOOST2 RF2 DEFECTIVE REFER TO SERVICE TECHNICIAN
NOT WORKING COMPONENT FAILURE REFER TO SERVICE TECHNICIAN
Troubleshooting
11
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