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Possible Causes: (1) The level sensor has failed to detect the liquid that is in the vessel. If the vessel is full and this fault screen appears, press <STOP> to drain the fluid. You may want to capture the solution and re-use it. Refer to DELTA...

A "Low Pressure" error occurs when the vessel does not have at least 3 psi. Possible Causes: The lid was not tight. You do not have to over-tighten the lid, but it needs to be snug. Usually finger tight plus 1/4 turn is adequate. Check the lid O-Ring...

Possible Causes: The solution temperature has exceeded the maximum limit. Perform the boil test detailed in the DELTA Service Procedure Boil Test (DES013).

Possible Causes: The rinse water supply temperature did not meet method standards. This may affect results with certain samples. Make sure the water supply has a temperature of no less than 50°C for Crude Fiber or no less than 70°C for ADF and NDF...

Possible Causes: If liquid has been manually poured into the vessel before the computer communicates with the appropriate valve to fill the vessel, this fault screen will appear. Open the vessel, if the vessel is full press "Y<ENTER>" to continue the...

A drain error usually occurs if the level sensor is sensing solution in the vessel after the drain has opened. If the vessel is empty, and the level sensor indicates "Full," then the level sensor must be fixed. If the vessel is full of solution after...

The drain valve has been told to open but after 30 seconds the drain-open switch has failed to open the drain. Possible Causes: (1) The wires on the drain valve have become disconnected. Unplug the instrument, check the drain valve and reattach any...