6 Troubleshooting
Table 9: Troubleshooting Codes
Code Description Resolution
No valid signal in range Reposition the sensor or the target
The adjusted or taught window size is smaller
than the minimum window size.
The sensor automatically adjusts the window
size to maintain the minimum window and
completes the adjustment or the TEACH
The distance being taught is outside of the valid
sensing range
Present a target within the sensor's range and
re-TEACH.
The signal is saturated (too much light) Reposition the sensor or the target to increase
the detection distance, or increase the angle of
incidence between the sensor and the target
The adjusted or taught end point is between the
other end point and the end of range. There is
insufficient space to create the minimum window
size.
TEACH or adjust the end points to maintain
the minimum window size within the sensing
range.
Table 10: Error Codes
Code Description Resolution
EEPROM fault Contact Banner Engineering to resolve
Laser fault Contact Banner Engineering to resolve
Output short-circuited Check the wiring for an electrical short circuit
and to ensure that the wiring is correct
System fault Contact Banner Engineering to resolve
Q4X Stainless Steel Analog Laser Sensor
www.bannerengineering.com - Tel: + 1 888 373 6767 31
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