Menu Operation; Operating Mode; Fault Indications; Alarm Log - Grundfos MAGNA 40-120 Montage- Und Betriebsanleitung

8.5 Menu OPERATION

When the communication between the R100 and the
pump has been established, "Contact with" appears
in the display. When the "arrow down" on the R100 is
pressed, menu OPERATION appears.
The display "Contact with" appears
only once, i.e. when the R100 gets
Note
contact with the pump.
8.5.1 Setpoint
This display depends on the control mode selected
in the display "Control mode" in menu
INSTALLATION.
If the pump is forced-controlled via external signals,
the number of possible settings will be reduced, see
section 8.8 Priority of settings. Attempts to change
the settings will result in an indication in the display
saying that the pump is forced-controlled and
changes therefore cannot be made.
This display will appear when the pump is in
AUTO mode.
ADAPT
Set the desired setpoint by pressing the buttons
"+" and "–" on the R100 (not possible when the pump
is in AUTO mode).
ADAPT
Furthermore, it is possible to select one of the these
operating modes:
• Stop
• Min. (min. curve)
• Max. (max. curve).
The display is different if proportional pressure,
constant pressure or constant curve has been
selected.
The actual duty point of the pump is indicated by a
square in the Q/H field. No indication at low flow.

8.5.2 Operating mode

Select an operating mode:
• Stop
• Min. (min. curve)
• Normal (AUTO , proportional pressure,
ADAPT
constant pressure or constant curve)
• Max. (max. curve).
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8.5.3 Fault indications

If the pump is faulty, the cause will appear in this
display.
Possible causes:
• Pump blocked
• Internal fault
• Overvoltage
• Undervoltage
• Overtemperature
• Module fault
• Fault in module communication.
The fault indication can be reset in this display.
If the fault has not disappeared when resetting is
attempted, the fault indication will reappear in the
display when communicating with the pump.

8.5.4 Alarm log

The alarm code with text appears in this display.
The display also shows the number of minutes the
pump has been connected to the electricity supply
after the fault occurred.
The last five fault indications will appear in the alarm
log.