Ground Zero GZIA 1.300HPX-B, Owner'S Manual

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Trouble shooting guide
Symptoms Check Points Cure
No sound
Is the POWER LED illuminated?
Check fuses in amplifier.
Be sure remote lead is connected.
Check signal leads.
Check again control.
Check tuner/deck volume level.
Is the diagnostic LED illuminated?
Check for speaker short or amplifier
overheating
Amp not switching on
No power to the amplifier Check power wire or connections
No power to remote wire with
receiver on
Check connections to radio
No sound in one channel
Check speaker leads
Inspect for short circuit or an open
connection
Check audio leads
Reverse left and right RCA inputs to
determine if it is occurring before the
amp
Amp turning off at medium / high
volume
Check speaker load impedance
Be sure proper speaker load
impedance recommendations are
observed
(If you use an ohm meter to check
speaker resistance, please remember
that DC resistance and AC
impedance may not be the same.)
Protection LED is on
Temperature shut down Turn radio volume down
Speaker wires short Separate speaker wires and insulate
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