Troubleshooting
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01.00|KSP3-IM, KSP3-LH-IM |en
Troubleshooting
Clamping force block chuck jaws will not move
Possible cause
Solution(s)
Air supply interrupted
Check air supply
System pressure too low
Increase system pressure according to clamping
system technical specifications
Connections mixed up
Check connections and functions and connect
properly
Unused air connections not sealed
Seal front or base connections using accessories
(included in scope of delivery)
Active air connections sealed
Remove set-screws from sealed air connections
Piston will not move
Possible cause
Solution(s)
Air is not oiled
Check maintenance unit, perform maintenance
Place oiler closer to clamping system
Set required oil level
Chuck piston screw broken (overload) Send clamping system to SCHUNK for repairs or
disassemble clamping system and repair using
original SCHUNK spare parts
Piston rod or piston rod screw
connection broken (overload)
Send clamping system to SCHUNK for repairs or
disassemble clamping system and repair using
original SCHUNK spare parts
Active air connections sealed
Remove set-screws from sealed air connections
No control of switching valves due to missing signal output
Possible cause
Solution(s)
Proximity switch not switching
Adjust the switching distance to the recess in the
base jaw and clamp it in place
Adjust position slightly forward or backward
Proximity switch not switching
Completely disassemble the proximity switch
along with the retaining plate and check the
switching functions on the sensor head (replace
proximity switch if necessary)
Proximity switch switching sporadically Readjust the position
Adjust position to workpiece tolerances
Proximity switch cable damaged
Replace proximity switch
Replace supply cable
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