Chapter 6 Error List6.3 Error List (MAIN Core)
242
Error No. Error name Description, action, etc.
E9E Watchdog reset occurrence error A WDT (watchdog timer) was manually reset (error detection).
E9F Exception occurrence error while BL = 1 (NMI) An exception occurred while the block bit in the CPU status register was “1.” (NMI)
EAD
Exception occurrence error while BL = 1 (Other than
NMI)
An exception occurred while the block bit in the CPU status register was “1.” (Other than NMI)
EA1
Bit exception reset due to command/data TLB
duplication
This reset occurs when there are multiple TLB entries corresponding to the virtual address.
EA2 Undefined exception/interruption error An undefined exception/interruption occurred.
EA3 AC-power cutoff detection error An AC-power cutoff was detected.
EA4 Abnormal standby power detection error Abnormal standby power was detected.
EA5 Regenerative resistance temperature error A regenerative resistance temperature error was detected.
EA6 AC-power overvoltage error An AC-power overvoltage error was detected.
EA7 Motor-power overvoltage error A motor-power overvoltage error was detected.
EA8 FROM-write bus width error A write operation other than 32-bit long word access was detected while writing the flash ROM.
EA9 FROM write protect error Write operation to a write-protected flash ROM area (FRMWE bit in DEVCTR = 1) was detected.
EAA SDRAM write/read test error The SDRAM is faulty. Contact the manufacturer.
EAB Application-update SCIF send-queue overflow error An overflow occurred in the send queue.
EAC Servo control underrun error A servo control underrun error was detected.
EAD Boot error A FPGA boot watchdog was detected. The core program may not be running properly.
EAE Application-update SCIF receive-queue overflow error
Excessive data is received from outside. (Confirm that a PC and IAI’s update tool are used to
update the application.)
EAF Installed flash ROM type mismatch (Core)
The flash ROM type anticipated in the software does not match the flash ROM type actually
installed. Check the combination of software and hardware.
EB0 Undefined NMI error (Core) An undefined NMI interruption occurred.
EB1 FPGA writing and reading test error (Core) It is an error in writing / reading in FPGA.
EB2 Flash busy reset timeout (Detected by the core) Malfunction of the flash ROM. The flash ROM is not reset from the busy mode.
EB3 CPU clock operation mode error
[Detail & Cause]
It has been detected the operation is made in an unsupported or inappropriate CPU clock
operation mode.
There is a concern of an error operation caused by malfunction of the hardware, noise and so on.
[Countermeasure]
Contact IAI.
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