GROUND ZERO GZHA MINI FIVE
HYDROGEN SERIES
Trouble shooting guide
Symptoms
Check / Cause
Action
No audible sound
Does the power indication 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
Does the protection indication LED
turn to red?
Check for speaker short or amplifier overheating
Device does not turn on
Power supply of the amplifier?
Check power wire and/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