Direct Digital Controller
22
Direct Digital Controller fw 4.013 – Ed. 01/2013
3.2.3.2 Machine status
The “
Machine status
” menu provides a complete overview of the units operating correctly and those where
errors have arisen. Each unit is identified by its network ID.
Two screens are present: “ACTIVATION” and “ERRORS”. Next to the machine ID, in the “ON” screen, the
following symbols appear:
1 -
if the machine is on.
2 - If the unit is off, no symbol appears next to the machine ID.
3 -
if the machine has been excluded from the plant via the options
in the Units management menu.
4 - if the unit is carrying out a Defrosting cycle. Option only for GAHP-
A and GAHP-AR units.
5
-
if the unit is off because it has reached temperature or
thermostating limit values.
Select to visualise for which units errors or warnings have occurred. If an error has occurred in the machine,
the letter E will appear next to the unit’s ID.
In the “Error” screen next to the machine ID, the following symbols
appear:
1 - if an error has occurred in the machine;
2 - if a warning has occurred for the machine;
3 - (“off-line”) if there are connection problems between the machine
and the DDC (the off-line may be due to various causes: the machine
is not powered, there are problems on the connection cable, the
machine board is malfunctioning and cannot communicate with the
DDC;
4 - If no error has occurred in the machine, no symbol will appear next to
the machine ID.
For two-line hot/cold plants, i.e. plants for the production of hot/chilled
water, the symbols
or
apply.
Select
to view the screens relating to modules dedicated to the
production of chilled water (
is displayed).
Select
to view the screens relating to modules dedicated to the
production of hot water (
is displayed).
To access the menu, follow the instructions below:
1 - Select from the initial screen to gain access to the main menu.
2 - Select
to access the “Functional data” menu.
3 - Turn the knob to select the “Plants” menu, and press the knob to enter the menu.
4 - Select the plant for which to view the machine status:
for two-line cooling/heating plants,
for
hot water production plants, or
for chilled water production plants. The
symbol next to the plant
icon indicates an anomaly.
5 - Turn the knob to select the “Machine status” menu and press the knob to access the menu.
6 - Select
to move to the Errors screen: next to the identification number of each unit (ID = machine), the
letter E indicates that an error is present.
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