Grundfos LFE Instrucciones De Instalación Y Funcionamiento página 48

The functions of the two indicator lights and the signal relay are as shown in the following table:
Indicator lights
Fault/Alarm,
Operation
Fault (red)
(green)
Relubricate
Off Off
Permanently
Off
on
Permanently
Off
on
Off Flashing
Permanently
Off
on
Permanently Permanently
on on
Permanently
Flashing
on
Resetting of fault indication
A fault indication can be reset in one of the following ways:
• Briefly press the button or
change the setting of the pump.
A fault indication cannot be reset by means of
buttons have been locked.
• Switch off the power supply until the indicator lights are off.
• Switch the external start/stop input off and then on again.
• Use the GO Remote or R100. See section
indications.
When the GO Remote or R100 communicates with the pump, the
red indicator light will flash rapidly.
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Signal relay activated during
Warning
Operating Ready
and
NO NC NO NC
C C C
C NO NC C NO NC
C NO NC
NO NC C NO NC C NO NC
C
C NO NC
NO NC NO NC
C C
C NO NC
NO NC
C C
C NO NC C NO NC C NO NC
C NO NC C NO NC
C NO NC
on the pump. This will not
or if the
17.1.3 Fault
Description
Pump
running
The power supply has been switched off.
NO NC NO NC
C
The pump is operating.
C NO NC
The pump is stopped by the stop function.
NO NC
C
The pump has been set to stop.
NO NC
C
The pump has stopped because of a Fault/
Alarm or is running with a Warning or
Relubricate indication.
If the pump was stopped, restarting will be
attempted (it may be necessary to restart the
pump by resetting the Fault indication).
NO NC NO NC
C
If the cause is "external fault", the pump must
be restarted manually by resetting the Fault
indication.
The pump is operating, but it has or has had a
Fault/Alarm allowing the pump to continue
operation or it is operating with a Warning or
Relubricate indication.
If the cause is "sensor signal outside signal
range", the pump will continue operating
according to the 70 % curve and the fault
indication cannot be reset until the signal is
C NO NC inside the signal range.
If the cause is "setpoint signal outside signal
range", the pump will continue operating
according to the min. curve and the fault
indication cannot be reset until the signal is
inside the signal range.
The pump has been set to stop, but it has been
stopped because of a fault.
C NO NC