Value of alarm setpoint less
than “0” and hysteresis value
greater than “0” (Par.20
D+<
> 0).
N.B.: With hysteresis less
than “0” (
D+<
< 0) dotted
line moves under the alarm
setpoint.
10 Error ags
If the system shows malfunctions, the controller switches o
the control output and reports the error ags on word 1009.
For example, the controller will report a defective
thermocouple by ashing alternately red/yellow LED and
setting to 1 the bit 0 of the word 1009.
For other signals see table below:
Cause What to do
BIT2
Error programming the
EEPROM
Call assistance
BIT0
Cold junction sensor
failure or room
temperature OFF the
limits
Call assistance
BIT3
Incorrect con guration
data. Possible loss of
calibration values
Check that con guration
parameters are correct
BIT1
Broken thermocouple
or temperature OFF the
limits
Check the connection
with the sensors and their
integrity
BIT4 Missing calibration Call assistance
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