VERS. 2018.05
CM70 ALU_MAN_EN
21
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 electrical
supply. Any works dealing with the electrical system or supply of the machine can only be carried
out by a qualified electrician.
7.2
Trouble-shooting guide
Trouble
Possible source
Resolution
Wrong direction of rotation
Wrong motor polarity
Invert polarity on male plug
Motor is not running
No electricity
Check the electrical supply
(fuse for example)
Connection cable section too
small
Change connection cable
Defective connection cable
Change connection cable
Defective switch
CAUTION : can only be solved
by qualified electrician
Defective motor
Change motor or contact motor
manufacturer
Motor stops during the cutting,
but can be restarted after a
short period
Cutting advance too quick
Cut slowly
Blade is blunt or glazed
Sharpen the blade in
calcareous stone
Defective blade
Change blade
Wrong blade corresponding to
the application
Change blade
No water on the blade
Water tap is closed
Open tap on blade cover
Water supply system is blocked
up
Clean water supply system
Water pump is not working
Check that pulley is driven by
belts
Change the pump
