Causes: Silent SE: If there's already a valid pressure calibration in NVM, and new calibration values are out of range, then FW will use the NVM values and show a silent SE in the printer log and service plot.
Remedy:
Code: 16.50:10
Description: Severe SE: Pressure calibration failure together with NVM values = 0 (failure at first startup)
Causes: Pressure calibration failure.
Remedy: Service engineer: • Check the tube (not kinked), and sensor cable. If they are OK, replace the sensor
Code: 16.51:01
Description: Curing system: pressure not reachable. Printer is limiting working pressure
Causes: Silent SE. Customer symptoms are: Slower thput, and/or Lack of curing Printer limiting working pressure. It might be due to: Target pressure too high for printer attitude environment, and/or curing fan degradation.
Causes: Air Curtain and Printzone Heaters Control/Curing Control PCA (depending on SKU) to Air Curtain Fans, Cable Air Curtain Fans.
Remedy: Call agent: • Restart the printer. Service engineer: 1. Reseat/Replace Air Curtain and Printzone Heaters Control/Curing Control PCA to Air Curtain Fans Cable. 2. Check that all Air Curtain Fans rotate, and are unobstructed. 3. Reseat/Replace Air Curtain Fans.