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VERS.2015.05.19
7 FAULTS: CAUSES AND CURES
7.1
Fault-finding procedures
Should any fault occur during the use of the machine, turn it off, and isolate it from the electric
supply. Works dealing with the electric system or supply of the machine can only be done by a
qualified electrician.
7.2
Trouble-shooting guide
Trouble
Motor is not running
Motor stops during the cutting, but
can be restarted after a short
period
No water on the core bit
20
Possible source
No electricity
Defective switch
Defective motor
Fault due to P.R.C.D.
Connection cable section too
small
Defective connection cable
Drilling advance too quick
Core bit is blunt
Defective core bit
Core bit is not corresponding to
the application
Water supply closed
Water supply system is blocked
up
Kit CDR 133 + CDM 163_MAN_EN
Resolution
Check the electrical supply
(fuse for example)
CAUTION : can only be
solved by qualified electrician
Change motor or contact
motor manufacturer
Check the earth link on your
electrical supply.
Change the P.R.C.D.
Change connection cable
Change connection cable
Cut slowly
Sharpen the core bit in
calcareous stone
Change core bit
Change core bit
Open the water supply
Clean water supply system
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