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Code Error name Cause/Action
FB FPGA error The FPGA (gate array) of the absolute-specification controller is not
operating properly.
Cause: (1) Malfunction due to the effect of noise, etc.
(2) Faulty FPGA
(3) Defective board installation inside the controller
Action: Reconnect the power.
If the error persists, investigate possible noise sources.
If the cause cannot be specified, please contact IAI.