Epcom PROAUDIO SFB120 운영 매뉴얼 - 페이지 11

{카테고리_이름} Epcom PROAUDIO SFB120에 대한 운영 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Epcom PROAUDIO SFB120 15 페이지. Public address system

6. TROUBLESHOOTING

Failure phenomena

1. Power switch is not opened

2. All lines are connected, but there is

no sound.

3. The sound suddenly disappears in

normal status.

4. Low sound

5. Sound is distorted

Failure cause

1 Power line is cut off

2. The protection function of the equipment is

not activated

1. The power switch is not opened or the power

plug is bad contacted.

2. The fuse is burnt

3. The volume knob is not opened or turned down

to a extra low level

4. There is no audio signal input

5. There is short-circuit in the speaker line.

1. The equipment is in very high temperature to

make it into protection status.

2. The connection wire is bad contact.

The equipment is set to be low impedance

connection, but the speakers connected is

with high impedance.

The input level of Mic or external equipment

is too high