Signal Relay; Fault Indication - Grundfos MAGNA Installation And Operating Instructions Manual

6. Signal relay

The function of the signal relay can be set with the R100.
Possible functions:
• Fault
• Ready
• Operation.

6.1 Fault indication

The signal relay is activated in case of
• Pump blocked
• Internal fault
• Undervoltage.
See section 6.4 Functional diagram.
When the fault disappears, the signal relay is deactivated. The fault
cause is stored in the pump alarm log. The last five faults can be called
up with the R100.
In case of a fault, the red indicator light on the control
panel is on.
Note
See installation and operating instructions for GRUNDFOS
MAGNA 32-100.
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