Troubleshooting
210.00 | PZN-plus | Assembly and Operating Manual | en | 389374 49
6.4 Gripping force is dropping
Possible cause Corrective action
Compressed air can escape. Check seals, if necessary, disassemble the
product and replace seals.
Too much grease in the mechanical
movement space.
Clean and lubricate product.
Pressure drops below minimum. Check air supply.
}3 [/18]
Component part defective. Replace component or send it to SCHUNK for
repair.
6.5 Product does not achieve the opening and closing times
Possible cause Corrective action
Compressed air lines are not installed
optimally.
If present: Open the flow control couplings on
the product to the maximum that the
movement of the jaws occurs without
bouncing and hitting.
Check compressed air lines.
Inner diameters of compressed air lines are of
sufficient size in relation to compressed air
consumption.
Keep compressed air lines between the
product and directional control valve as short
as possible.
Flow rate of valve is sufficiently large relative
to the compressed air consumption.
IMPORTANT!The throttle check valve must
not be removed, even if the product has not
reached the opening and closing times.
If you still cannot achieve the open and close
times in the latest catalog, we recommend
the use of quick-air-vent-valves directly at
the product.
Loading too large. Check permissible weight and length of the
gripper fingers.
6.6 Programmable magnetic switches not switching as
desired
Possible cause Corrective action
Incorrect position of sensor Check adjustment dimensions, }5.3.2 [/27].
Magnetic field too weak Check function of sensor in both grooves.
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