DET#1 2 3 4 FPD overcurrent detected [Error Code:4125 4126 4127 4128]

FPD photomultiplier current is abnormal.

Ensure that strong light does not leak in photomultiplier current from the connection.
If the error cannot be resolved after you cut off the light with blackout curtain, the hardware fails.

Turn off the main power of the instrument, stop gas supply, and contact your Shimadzu sales/service representative.