VERS.2015.05.19 Kit CDR 163 + CDM 203_MAN_EN
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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
Possible source
Resolution
Motor is not running
No electricity
Check the electrical supply
(fuse for example)
Defective switch
CAUTION : can only be
solved by qualified electrician
Defective motor
Change motor or contact
motor manufacturer
Fault due to P.R.C.D.
Check the earth link on your
electrical supply.
Change the P.R.C.D.
Connection cable section too
small
Change connection cable
Defective connection cable
Change connection cable
Motor stops during the cutting, but
can be restarted after a short
period
Drilling advance too quick
Cut slowly
Core bit is blunt
Sharpen the core bit in
calcareous stone
Defective core bit
Change core bit
Core bit is not corresponding to
the application
Change core bit
No water on the core bit
Water supply closed
Open the water supply
Water supply system is blocked
up
Clean water supply system