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KUKA Robot KRC0543 - Wrong adhesive pressure
The adhesive pressure monitoring system in the PLC has detected a pressure value outside the permissible tolerance range during dispensing operations. This typically indicates either air bubbles in the adhesive supply line or a clogged outlet nozzle, both of which prevent proper adhesive application.
KRC0543
KUKA Robot KRC0543 - Wrong adhesive pressure
Wrong adhesive pressure
The adhesive pressure monitoring system in the PLC has detected a pressure value outside the permissible tolerance range during dispensing operations. This typically indicates either air bubbles in the adhesive supply line or a clogged outlet nozzle, both of which prevent proper adhesive application.
Common Causes
- Air bubbles trapped in the adhesive supply line reducing effective pressure
- Adhesive outlet nozzle completely or partially clogged with hardened material
- Pressure regulator valve malfunction or improper calibration on the dispensing unit
- Adhesive supply pump cavitation due to low reservoir level or filter blockage
- Defective pressure transducer sending incorrect signals to the KRC4 control system
Troubleshooting Steps
- 1Verify the adhesive reservoir level is adequate and check that the supply pump is operating normally
- 2Inspect the adhesive supply line for visible air bubbles and perform a purge cycle to remove trapped air
- 3Remove and visually inspect the outlet nozzle for clogs, hardened adhesive, or debris using appropriate cleaning solvents
- 4Use a calibrated pressure gauge to verify actual system pressure matches the PLC setpoint value
- 5Check the pressure transducer signal in WorkVisual diagnostics and compare raw sensor values to expected range
- 6If pressure remains unstable, replace the pressure regulator valve and recalibrate the adhesive dispensing parameters in KRL program
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