14
iFerm Nano Tank
Product overview
3.3.2 Status messages
In the display’s message area, symbols with a yellow back-
ground describe the current operating state as long as certain
criteria are met. These status messages mean the following:
Symbol Meaning
SUB2
The valve is open.
(Only displayed in
Cooling
mode.)
SUB3
Alarm: The difference between the actual and
target temperature is greater than 1.5 K (the value
preset at the factory).
OUT2
Cooling
mode is activated.
CMW
The interface is activated. Communication via the
data bus is possible.
s.err
Error message in the PV display area (
sensor error
):
The sensor shows incorrect behaviour, see
“8.2 Troubleshooting” on page 28
.
When there is central control via the
iFerm Nano Terminal
control unit, additional displays are possible such as the
following messages:
Symbol Meaning
MANU
Manual mode; control mode is interrupted, i.e. a
certain valve setting was specified, e.g. a value for
the parameter
Cooling outlet
:
SV area =
100
: Valve is open (
100%
).
SV area =
0
: Valve is closed (
0%
).
STOP
Measurement and display operation; the actual
temperature continues to be measured and
displayed. Control and display in the SV area are
deactivated.