Fault Finding - Grundfos MAGNA3 25-80 Installation And Operating Instructions Manual

10.3 Fault finding

Reset a fault indication in one of the following ways:
• When you have eliminated the fault cause, the pump reverts to
normal duty.
• If the fault disappears by itself, the fault indication is
automatically reset.
The fault cause is stored in the pump alarm log.
CAUTION
Pressurised system
Minor or moderate personal injury
- Before dismantling the pump, drain the system or
close the isolating valve on either side of the
pump. The pumped liquid may be scalding hot and
under high pressure
If the power supply cable is damaged, it must be
replaced by the manufacturer, the manufacturer's
service partner or a similarly qualified person.
WARNING
Electric shock
Death or serious personal injury
- Switch off the power supply for at least 3 minutes
before you start any work on the product. Lock the
main switch in position 0. Type and requirements
as specified in EN 60204-1, 5.3.2.
WARNING
Electric shock
Death or serious personal injury
- Make sure that other pumps or sources do not
force flow through the pump even if the pump is
stopped.
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