Epcom PROAUDIO SFB120 Operation Manual - Page 11

Browse online or download pdf Operation Manual for Amplifier Epcom PROAUDIO SFB120. Epcom PROAUDIO SFB120 15 pages. Public address system

Print Page
Epcom PROAUDIO SFB120 Operation Manual

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
11