HOLZMANN MASCHINEN BS 712TOP, User Manual, Page: 42 / 87

TROUBLE SHOOTING
HOLZMANN MASCHINEN GmbH www.holzmann-maschinen.at 42
BS 712TOP; BS712TOP-G
21 TROUBLE SHOOTING
WARNING
Danger due to electrical voltage! Manipulating the machine with the power supply
up may result in serious injury or death. Before carrying out any troubleshooting
work, always disconnect the machine from the power supply and secure it against
unintentional recommissioning.
Many possible sources of error can be excluded in advance if the machine is properly connected
to the mains.
If you are unable to carry out necessary repairs properly and/or do not have the required
training, always consult a specialist to solve the problem.
Fault Possible cause Remedy
Machine does not start

Machine not connected to
power supply

Fuse of power circuit defect
or not suitable

Cable defect

Check all power connections

Change fuse

Change cable
Saw band does not come to full
speed, no power

To long extension cord

Power supply not matching
with motor requirements.

Weak, instable/volatile power
supply

V-belt tension too low
(BS712TOP)

change to suitable extension
cord with sufficient cross-
section, insulation and length

Let check by electrician

Contact electric power
company

Adjuste V-Belt tension
Motor gets hot very fast and
has weak performance

Motor does not receive power
on one or even 2 phases

Shut off machine
immediately. Let the
connection to supply circuit
be checked by an electrician!
Saw band runs in opposite
direction

2 of the 3 leading phases are
switched whether in Plug or
socket
Shut off machine
immediately. Let the
connection to supply circuit
be corrected by an
electrician!
Machine vibrates

Placed on uneven
underground

Motor or any other parts
loose

modify

check all screw joints if
tightened
Bad cuts

too high descent velocity

unsuitable saw band for
cutted material

worn saw band

saw band not tensioned
correctly

saw band guide outbalanced

Reduce the descent velocity

Use e.g. for stainless steel HQ
Bi-Metal bands only

replace

tension saw band correctly

readjust saw band guide