DCG APC are not ready[Error Code:4212]

The BID detector gas flow is unstable.

• Check that the BID detector gas supply pressure is within the range below.
• Check that the supply pressure is sufficient for the BID detector gas to flow.
• Check that the gas supply pressure is stable.
• Check that no tubing connections are loose and there is no leak.
• Contact your Shimadzu service representative to check the inner diameter and length of used tubing.

If the error appears repeatedly even after checking the above, the flow controller may have failed. Turn off the main power of the instrument, stop gas supply, and contact your Shimadzu sales/service representative.