Troubleshooting Guide - Ground Zero GZUA 2.250SQ-PLUS Benutzerhandbuch

Symptoms
No audible sound
Device does not turn on
No sound from one or
more channel(s)
Device turns off at medium
or high volume
Status LED turned on red
The limited warranty for this product is covered by Ground Zero´s local distribution partners and their
terms and conditions. For further information contact your local retailer or distributor.
Trouble shooting guide
Check / Cause
Does the POW LED light up white?
Does the PRO LED light up red?
Power supply of the amplifier?
Remote wire powered?
Speaker wiring undamaged?
Input signal on all RCA leads?
Load impedance of each speaker correct?
Temperature protection circuit active
Speaker wires short / speaker damaged
Terms of warranty
Ground Zero GmbH
Erlenweg 25, 85658 Egmating, Germany
Tel. +49 (0)8095/873 830
www.ground-zero-audio.com
Action
Check protection fuse(s) of the amplifier
Check remote wire connection to the head unit
Check +12 Volt power supply wire connection
Check ground wire connection
Check for speaker short or amplifier overheating
Check protection fuse(s) of the amplifier
Check +12 Volt power supply wire connection
Check ground wire connection
Check remote wire connection to the head unit
Check for short circuit or open connections
Reverse left and right RCA inputs to check the audio
input signal
Check if each speaker load impedance matches the
technical specifications of the amplifier
Decrease head units volume / wait for cooling
Check speaker / wires and insulate if necessary
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