Grundfos MAGNA 25-100, Инструкция по установке и эксплуатации

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23
9.1 Checking the module
Noise in the
pump.
The inlet pressure is too low.
Increase the inlet pressure and/or
check air volume in the expansion
tank (if installed).
Air in the pump.
Set the pump to "MAX" by
continuously pressing the button
or with the R100. After venting, set
the pump back to normal duty by
pressing the buttons
, or with
the R100.
Note: The pump must not run dry.
Indicator
lights
Fault Cause Remedy
Green Red
Note
The R100 can also be used for fault finding.
Illustration Action
TM
03 08
92 070
5
1. Remove the module cover.
2. Check the LEDs.
When the pump is switched on and the module is
correctly mounted, the left LED must be flashing
and the right LED must be permanently on.
3. Refit the module cover.
Flashing
Permanently on