SYMPTOM POSSIBLE CAUSE ACTION
Machine will not start/run.
No power is available at cable end. Check and conrm 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
Extension cord is too small in
capacity or too long.
Upgrade the extension cord.
(See specics on page 10)
Machine is not grinding at all.
No blade/accessories in unit. Fit blade and check wear on
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
Use softer grade of diamond
tool, which will expose the dia-
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-
Adjust the current screw to the
Extension cable too long and /
or not made from heavy enough
Get electrician to check exten-
sion lead compatibility.
Grinder runs but does not
Motor defective Repair or replace
Grinder vibrates during use. Grinding plates not correctly
Replace or re-balance grinding
Grinding noise coming from
Excessively worn motor bearings. Have motor serviced.