Manual

18
SDG TROUBLESHOOTING
SYMPTOM POSSIBLE CAUSE ACTION
Machine will not start/run.
No power is available at cable end. Check and conrm the power
cable is available.
Machine is trying to start on glue
or other sticky substance.
Clear a patch with scraper
and grind into the glue a little,
preventing glue build-up on
diamonds.
Extension cord is too small in
capacity or too long.
Upgrade the extension cord.
(See specics on page 10)
Machine is not grinding at all.
No blade/accessories in unit. Fit blade and check wear on
machine.
Very hard concrete or glazed top-
ping on concrete.
Turn dust extractor down, the
extra dust acts as an abrasive
between the segments, making
diamonds work better.
Place river sand or equivalent
on the oor as an abrasive as
described above.
Use softer grade of diamond
tool, which will expose the dia-
monds better.
Use coarser diamond tool,
which will get through the hard
topping without wearing out the
diamond too fast.
Grinder runs for 5-15
seconds, then stops.
The current allow screw is not ad-
justed properly.
Adjust the current screw to the
right position.
Extension cable too long and /
or not made from heavy enough
cable.
Get electrician to check exten-
sion lead compatibility.
Grinder runs but does not
perform adequately.
Motor defective Repair or replace
Grinder vibrates during use. Grinding plates not correctly
balanced.
Replace or re-balance grinding
plates.
Grinding noise coming from
grinding head.
Excessively worn motor bearings. Have motor serviced.
TROUBLESHOOTING