GROUND ZERO GZTA 4125X-B
TITANIUM SERIES
Stereo mode
Bridged mode
Trouble shooting guide
Symptoms
Check / Cause
Action
No audible sound
Does the POW LED turn to green?
Check protection fuse(s) of the amplifier
Check remote wire connection (RCA input mode)
Check +12 Volt power supply wire connection
Check ground wire connection
Did the PRO LED turned to red?
Check for speaker short or amplifier overheating
Device does not turn on
Power supply of the amplifier?
Check power wire or connections
Remote wire powered? (RCA input mode)
Check remote wire connection to the head unit
No sound on one channel
Speaker wiring undamaged?
Check for short circuit or open connections
Input signal on both RCA leads?
Reverse left and right RCA inputs to check the
audio input signal
Device turns off at medium
/ high volume
Load impedance of each speaker correct?
Check if each speaker load impedance matches
the technical specifications of the amplifier
Status LED turned on red
Temperature protection circuit active
Decrease head unit´s volume / wait for cooling
Speaker wires short / speaker damaged
Check speaker / wires and insulate if necessary
