Directed Electronics HCCA-D1200 - Manual (Page 20)

Symptom Probable Cause Action To Take
Distorted output
Internal crossover not set Readjust crossovers. Refer to the
properly for speakers Internal Crossover Configuration
section of this guide for detailed
instructions.
Speakers are blown Check system with known work
ing speakers and fix or replace
as needed.
Poor bass response
Speakers wired with wrong Check speaker polarity and fix
polarity causing cancellation
as needed.
at low frequencies
Crossover set incorrectly Reset crossovers. Refer to the
Internal Crossover Configuration
section of this guide for detailed
instructions.
Impedance load at amplifier Check speaker impedance load,
is too low
if below 1W, rewire speakers to
achieve higher impedance.
Battery fuse
blowing
Short in power wire or Check power and ground con-
incorrect wiring nections and replace or repair as
needed.
Fuse used is smaller than Replace with proper fuse size.
recommended
Actual current exceeds fuse Check speaker impedance load.
rating
If below 1W, rewire speakers to
achieve higher impedance.
Amplifier fuse
blowing
Fuse used is smaller than Replace with proper fuse size.
recommended
Impedance load at Check speaker impedance load.
amplifier too low If below 1W, rewire speakers to
achieve higher impedance.
Speaker is blown with Check system with known work
shorted outputs ing speakers and fix or replace
as needed.
Actual current exceeds Check speaker impedance load.
fuse rating If below 1W, rewire speakers to
achieve higher impedance.
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