Orion Car Audio 4002 ユーザーズマニュアル

No output 

Low or no remote turn-on  Check remote turn-on voltage 

at voltage amplifier and repair 
as needed.

Fuse blown 

Check power wire's integrity 
and check for speaker shorts. Fix 
as needed and replace fuse.

Power wires not connected  Check power wire and ground 

connections and repair or 
replace as needed.

Audio input not connected  Check RCA connections and 

repair or replace as needed.

Speaker wires not 

Check speaker wires and repair 

connected

or replace as needed.

Speakers are blown 

Check system with known work
ing speaker and repair or 
replace speakers as needed.

Audio cycles 
on and off 

Thermal protection engages

Make sure there is proper venti

when amplifier heatsink 

lation for amplifier and improve 

temperature exceeds 90°C 

ventilation as needed.

(190°F)

Loose or poor audio input 

Check RCA connections and 
repair or replace as needed.

Loose power connections 

Check power wire and ground
connections and repair or 
replace as needed.

Distorted output 

Amplifier level sensitivity 

Readjust gain. Refer to the 

set too high exceeding 

maximum capability of 

System section of this manual 

amplifier 

for detailed instructions.

Impedance load to amplifier

Check speaker impedance load, 

too low 

if below 1W, rewire the speakers 
to achieve higher impedance.

Shorted speaker wires 

Check speaker wire connections 
and fix or replace as needed.

Speaker not connected 

Check speaker wiring and repair 

to amplifier properly 

or replace as needed. Refer to 
the Speaker Connections section
of this guide for detailed 
instructions.

14

©2003 Directed Electronics, Inc.