6 Parameter Settings and Functions
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6.7.5 Error Features
The controller diagnoses input signals for errors and displays messages accordingly.
These messages inform the user of device problems.
Message
Description
Flashes at 0.5-second intervals if the input value is above the input range.
→ Automatically deactivates and returns to normal operation if the input
value returns to the input range.
Flashes at 0.5-second intervals if the input value is below the input range.
→ Automatically deactivates and returns to normal operation if the input
value returns to the input range.
Flashes at 0.5-second intervals in the event of an input disconnection.
→ Automatically deactivates and returns to normal operation if input
reconnects.
Flashes twice at 0.5-second intervals in the event of an operation error
and returns to the previous screen.
When in heating control mode and powered on, or standard control
state, output is 0% if
is displayed and 100% if
is
displayed.
When in cooling control and powered on (or standard control state),
output is 100% if
is displayed and 0% if
is displayed.
When in heating and cooling control and powered on or standard
control state, heating output is 0% and cooling output 100% if
is
displayed, and heating output is 100% and cooling output 0% if
is displayed.
6.7.5.1 MV Settings upon Sensor Break Error (Open) [PAR5 → ER.MV]
In the event of a sensor open error you can set control output value to predefined MV
instead of ON/OFF control or PID control.
Ignores MV by ON/OFF control or PID control, and sends out a control value based
on the defined MV.
Setting
Group
Parameter Setting Range
Factory
Default
Unit
Standard
Control
ON/OFF
Control
(OFF)/
(ON)
%
PID
Control
to
Heating
and
Cooling
Control
ON/OFF
Control
(Cooling On)
/
(OFF)/
(Heating On)
PID
Control
(Cooling) to
(Heating)
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