Steljes audio . ml - 30Hd user guide
9
trouBle shootIng
Symptom
cause
Remedy
The unit does not
power up when
the power Switch
is pressed
no power
to unit
1. Check that amplifier is plugged into
a powered electrical outlet
2. Check if the power cable is plugged
into the power socket on the rear
panel of the amplifier
The unit powers
up. Vacuum tube
does not light up
or glow
1. Valve not
seated
2. Valve is
defective
1. Check valve
2. replace valve
no Sound
from speakers
connected to
amplifier
Turntable
working, ml-
30Hd seems
to be working
1. Check selector switch: make sure
proper input selected
2. Check that phono output is
connected to preamp line input
3. ensure that phono output is
connected to mm input
Sound is
distorted
Turntable
working,
sound
volume is low
distorted
1. Check to see if proper cartridge
input is selected: mm
2. Check setting of ml-30Hd
3. Change valve
ML-30HD Product Manual.indd 9
27/01/2016 08:56
