Error Messages - Omron E5AR-T User Manual

10.2 Error Messages

When an error occurs, Displays No. 1 and 2 show error messages. Refer to the following table to check
the meaning of the message and troubleshoot the problem.
Display Display
No. 1 No. 2
unit err
Unit error
unit chg
Unit change
disp err
Display unit error
sys err
Unit error
eep err
EEPROM error
s.err
Normal Input error
display
[[[[[
Normal Exceeded bottom
display of display range
]]]]]
Exceeded top of
display range
Normal RSP RSP input error
display operation
indicator
flashes
-----
Normal Potentiometer
display input error
calb err
Motor calibration
error
i1-t
Set value Input type switch
i2-t
flashes error
i3-t
i4-t
If the system does not operate as expected after setting the parameters, check the wiring and set values
once again. If there is still a problem, unintended set values may have been accidentally set in the param-
eters. In this case, you may want to initialize the Controller and redo your settings.
Initializing the Controller will return all parameters to their default settings. The
default settings may cause unexpected outputs, so disconnect all output wires
Caution
and eliminate the effects to the system before initializing the parameters. In
addition, write down your settings prior to initialization.
Error Correction
The unit requires servicing.
Contact your OMRON
representative.
Hold down the L Key for at least 5
seconds in the error display to
initialize. (See Caution.)
Check for an incorrect input
connection, broken wire, or short-
circuit. Check the Input Type
parameter and input type switch
settings.
Not an error. One of these
messages is displayed when the
PV exceeds the display range
( 19999 to 99999).
Is the wire connected to the RSP
input broken or short-circuited?
For coordinated operation, check
the input type for the RSP input
from channel 1 to be sure it's
correct and check to see if the
display range has been exceeded
for the channel due to a SP offset
setting.
Check the potentiometer wiring.
Check the wiring to the
potentiometer and valve drive
motor, and then try motor
calibration again.
Set the input type switch to type of
input you are using so that it
agrees with the setting of the Input
Type parameter.

10.2 Error Messages

Output state at error
Control outputs Alarm output
OFF
OFF
OFF
OFF
MV output according to Operation will
MV at PV Error parameter. be performed
in the same
way as when
the upper limit
is exceeded.
Normal operation
MV at PV error
If the Closed/Floating
parameter is set to "Closed"
and the Operation at Poten-
tiometer Input Error param-
eter is set to "OFF," the
value set for the MV at PV
Error parameter is output;
otherwise, normal operation
takes place.
OFF
OFF
OFF
OFF
OFF
OFF
Normal
operation
OFF
Normal
operation
OFF
OFF
10-3