Checking The Module - Grundfos MAGNA Manual Del Usuario

Fault
The pump does not
react to the GENIbus
signal.

11.1 Checking the module

Flashing
Cause
The wires are not con-
nected correctly to the
terminal block.
The pump was stopped
on the control panel or
with the R100.
GENI module not
mounted correctly.
GENI module defective.
Control box defective.
Illustration
Permanently on
Remedy
Connect the wires cor-
rectly.
Set the pump back to
normal duty.
Mount the GENI module
correctly.
Replace the GENI mod-
ule.
Replace the control
box.
Action
1. Remove the mod-
ule cover.
2. Check the LEDs.
When the pump is
switched on and
the module is cor-
rectly mounted, the
left LED must be
flashing and the
right LED must be
permanently on.
3. Refit the module
cover.
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