NAiS KT7, Instruction Manual

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of this instrument?
Connect the input signal wire securely to the terminal of
the instrument.
The indication on the PV display
is abnormal or unstable.
• Is designation of the sensor (input) correct?
Set the correct sensor (input).
• Is the polarity of the sensor input correct?
Wire it correctly.
• Temperature unit ( / ) is mistaken.
Set the correct unit.
• AC may be leaking into the input of this controller from the
thermocouple or RTD connected to the measured object.
Keep AC from leaking into the input of this controller
from the thermocouple or RTD of the measured object.
“ ” is indicated on the
PV display.
• Internal memory is defective.
Contact our agency or us.
11.2 Key operation
Problem Presumed cause and solution
• Setting values do not change
even if the
or
key is
pressed during setting mode
• Lock 1 or Lock 2 is selected in setting value lock selection.
Cancel the Lock mode.
• PID auto-tuning is performing.
Cancel PID auto-tuning.
• The setting indication does not
change in the input range even
if the
, keys are
pressed, and unable to set the
value.
• The value of scaling high limit setting or low limit setting in
auxiliary function setting mode 2 may be set at the point the
value does not change.
Set the proper value.
• If you have any inquiries, please consult our agency or the shop where you purchased the unit.