page 50
TROUBLE SHOOTING TIPS
SYMPTOM
PROBABLE CAUSE
ACTION TO TAKE
No output
Low or no remote turn-on input
Check remote turn-on voltage output at amplifier and
fix as needed
Fuse blown
Check power wire integrity and check for speaker shorts.
Fix as needed and replace fuse
Power wires not connected
Check power wire and ground connections and fix or
replace as needed
Audio input not connected
Check RCA connections and fix or replace as needed
Speaker wires not connected
Check speaker wires and fix or replace as needed
Speakers are blown
Check system with known working speaker and fix or
replace speakers as needed
Audio cycles on
Thermal protection engages
Make sure there is proper ventilation for amplifier and improve
and off
when amplifier
Heatsink ventilation as needed
temperature exceeds 90°C (190°F)
Loose or poor audio input
Check RCA connections and fix or replace as needed
Loose power connections
Check power wire and ground connections and fix or replace
as needed
Distorted output
Amplifier level sensitivity set too
Readjust gain. Refer to Adjusting the sound of the system
high. Exceeding maximum
section of this manual for detailed instructions
capability of amplifier
Impedance load to amplifier
Check speaker impedance load, if below 2
Ω
stereo or 4
Ω
mono
too low.
Rewire speakers to achieve a higher impedance
Shorted speaker wires
Check speaker wires connections and fix or replace as needed
Summary of Contents for 250R & 275R
Page 1: ...HCCA 225R 250R 275R OWNER S MANUAL HIGH PERFORMANCE CAR AUDIO...
Page 10: ...TECHNICAL DESIGN FEATURES page 10...
Page 14: ...SYSTEM 3 page 14...
Page 18: ...SYSTEM 5 page 18...
Page 22: ...page 22 POWER CONNECTIONS HCCA 275R Amplifier Fuse Size HCCA 275R 6 30 AMP...
Page 26: ...SUMMED BRIDGED CONFIGURATION page 26...
Page 28: ...SINGLE CHANNEL BRIDGED CONFIGURATIONS page 28...
Page 30: ...page 30 TRI MODE THREE CHANNEL CONFIGURATION...
Page 55: ...page 55...