X/Y Limit Was Not Detected Of X-Axis Frame on Samsung Techwin SM321 SMT Component Assembly Machine

Troubleshooting Summary:

Having issues with X/Y Limit Was Not Detected Of X-Axis Frame on Samsung Techwin SM321 SMT Component Assembly Machine? Read our step-by-step SMT maintenance solution below. If you require replacement feeders, nozzles, or sensors, contact SMTBOX for OEM-compatible parts.

X-Y Positioning System of Universal UIC 4796A/B/R/L High Speed SMC Placement System
X-Y Positioning System of Universal UIC 4796A/B/R/L High Speed SMC Placement System

Possible Cause:
1. Defective home sensor position/movement
Measures
1) Check the position and movement of the sensor
2) Axis Sensor Board (Check J9060162A)
– CN1 : Y1 Home / Y1 + Limit /Y1-Limit
– CN3 : X Home / X +Limit / X -Limit
Remarks: Rack Assembly, Cableway.

2. Defective coupling connection
Measures: Check the connection status of the coupling

3. Defective motor/motor driver
Measures: Check and replace the motor driver. (Check after replacement with other motor driver)
Remarks: Motor and driver

4. Defective coupling connection
Measures: Reconnect the coupling.

SMTBOX Editorial & Engineering Team
Written by: SMTBOX Editorial & Engineering Team

Our editorial team consists of senior SREs, mechanical engineers, and SMT assembly specialists with over 15 years of industry experience in PCB assembly line optimization. All technical articles are reviewed and verified for mechanical and electronic compatibility before publication.

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