19. Troubleshooting
Fault
Diamond cutting disc
comes off when motor is
deactivated.
When motor is deacti-
vated.
Motor has no output
The motor switches off
during work
The pump shuts off
The cutting process is
not optimal
38 | GB
Possible cause
Fastening nut not tightened properly Tighten fastening nu
Failure of mains circuit-breaker
Extension cable defective
Connection with motor or switch is
not OK
Motor or switch Is defective
Cross-section of the extension cable
Is not sufficient
Overloading
The diamond cutting wheel is dull
The motor switches off due to over-
loading, e.g. from excessive cutting
depth.
The pump switches off due to
overloading, e.g. due to heavy
contamination.
The cutting wheel is too heavily
stressed
Diamond segments are too dull
The cutting wheel has overheated
due to insufficient cooling water.
www.scheppach.com
Remedy
Check mains circuit-breaker
Replace extension cable
Have it checked by an electrician
Have it checked by an electrician
See electrical connection, the fuse has blown
Check tool
Replace the diamond cutting wheel with a
new one
Wait until the motor has cooled down (5-10
minutes), then switch it on again.
Immediately shut down the machine. Clean the
pump and restart the machine after approx.
5-10 minutes. Attention! Never perform dry
cuts!
Use a suitable cutting wheel, reduce cutting
pressure
Sharpen the cutting wheel
Optimise the cooling water supply