58
10. Malfunctions
10.1 Malfunctions
Malfunctions
Error
Remedy
The knife is not taking on an
edge
Wet grinding belt is dull
Install new wet-grinding belt
Grinding angle is set incor-
rectly
Set the angle (see chapter 7.3.3) or
adjust the scale (see chapter 6)
Grinding cycles set too low
Set higher number (see chapter 8.4.2)
Grinding angle on knife
Use new wet-grinding belt
Grinding pressure too low
Push weight forward
The knife is burning
No coolant is reaching onto
the wet-grinding belt
Fill / clean the coolant supply for the
grinding machine
Wet grinding belt too coarse
Mount finer wet-grinding belt
Wet-grinding belt stops under
load
V-belt tension too weak
Tighten V-belt
V-belt and V-pulley worn
Replace V-belt and V-pulley
Wet-grinding belt moves violently
backwards and forwards or
cannot be adjusted
Wet-grinding belt faulty
Install new wet-grinding belt
Contact disc is damaged or
worn out
Install new contact disc
Guide pulley is worn out
Install new guide pulley
“Coolant error” message on the
main screen
Too little coolant in the cool-
ant tank
Fill coolant
Lines are blocked
Clean lines
Pump defective
Replace pump
Flow gauge is dirty
Clean flow gauge
Grinding machine cannot be
switched on
Motor protection switch has
tripped
Switch on the motor protection switch
Attachment does not lower onto
the grinding belt after being
switched on
Pressurized air not connected
Connect pressurized air hose
Pressurized air set too low
Set pressure regulator to 6.5 bar
Attachment “whistles” during
operation
Limit switch cam rubs on the
protective cover
Lubricate limit switch cam or protective
cover
Attachment tips from side to side
very quickly
Shock absorber defective
Install new shock absorber
If a malfunction is not included in the malfunction table or if you cannot rectify the malfunction,
please contact our customer service (chapter 12).