Omron E5EK DEVICENET User Manual page 134

CHAPTER 8 TROUBLESHOOTING
Calibration data error
F Meaning
F Action
F Operation at
error
Display range over
F Meaning
F Operation
Communications error
F Meaning
F Action
F Operation at
error
8--4
This error is output only during temperature input, and is displayed for
two seconds when the power is turned ON.
Calibration data is in error.
Must repair.
Both control output functions and alarm output functions operate.
However, note that readout accuracy is not assured.
Though not an error, this is displayed when the process value exceeds
the display range when the control range (setting range ±10%) is larger
than the display range (-1999 to 9999).
• When less than "-1999"
• When greater than "9999" [
Control continues, allowing normal operation.
The communications read/write data assignment is in error.
This error occurs in the following instances:
• When the same data is set to two or more channels
• When write-only data is set to a read data assignment
• When read-only data is set to a write data assignment
Check and reset the communications read/write data assignment data
in the option mode. For details, see "6.4 Data Assignments."
Control output functions turn OFF (2mA max. at 4 to 20mA output,
and output equivalent to 0% in case of other outputs).
Alarm output functions turn OFF.
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