Grundfos Magna 32-120, Service Instructions Manual

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Normal ope indication of fault
Pump is running at nor-
mal performance. Pump has been stopped due to fault and has restarted
automatically.
1. GENI module (if installed)
Max., min., 0-10 V inputs do not react.
Fault in internal communi-
cation to the module, see
B1.
2. LON module (if installed).
Pump does not react to changes from the LON input.
Fault in internal communi-
cation to the module, see
B1.
3. Setpoint changes cannot be stored. See B2.
4. No signal is registered from the HALL sensor in the
stator. See B3.
Normal operational st indication of fault
Pump is not running. Pump has been stopped...
-
by means of the operating button
- via R100
- via Grundfos GENIbus
- by the pump start/stop function.
Pump can run, however, even if there has previously been
a fault.
1. GENI module (if installed).
Max., min., 0-10 V inputs do not react.
Fault in internal communi-
cation to the module, see
B1 .
2. LON module (if installed).
Pump does not react to changes from the LON input.
Fault in internal communi-
cation to the module, see
B1 .
3. Setpoint changes cannot be stored. See B2 .
4. No signal is registered from the HALL sensor in the
stator. See B3 .
Legend for signal lights:
= signal light is off.
= signal light is permanently on
= signal light is flashing
Signal lights
Description Explanation Remedy/reference
Green Red