Fault Finding; Further Product Information 9 Caution; Disposal; Warning - Grundfos Hydro Solo-E Sicherheitshinweise

9. Fault finding

Warning

Before starting work on the product, switch
off the power supply. Make sure that the
power supply cannot be accidentally
switched on.
Fault Grundfos Eye
1. Pump does
not run.
No lights on.
Alarm.
Motor stopped.
Two opposite red
indicator lights flashing
simultaneously.
2. Pump
performance
is unstable.
No lights on.
3. Pump runs
backwards
when
switched off.
No lights on.
10. Further product information
Use either the QR code or the web address below to
access the complete installation and operating
instructions for the relevant product.
CRE, CRIE, CRNE, SPKE, MTRE and CME pumps
grundfos.com/E-pump1-manual
Cause
a) Power supply failure.
b) Fuses blown.
c) Sensor is defective.
a) Pump inlet pressure too
low.
b) Suction pipe is partly
blocked by impurities.
c) Leakage in suction
pipe.
d) Air in suction pipe or
pump.
e) The foot or non-return
valve is blocked in
closed position.
a) Leakage in suction
pipe.
b) Foot or non-return valve
defective.
c) Foot valve is blocked in
completely or partly
open position.

11. Disposal

This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
Remedy
Switch on power supply.
Check cables and cable
connections for defects and
loose connections.
Check cables and cable
connections for defects, and
replace the fuses.
Replace sensor.
Check the inlet conditions of
the pump.
Remove and clean suction
pipe.
Remove and repair suction
pipe.
Vent suction pipe or pump.
Check the inlet conditions of
the pump.
Remove and clean, repair or
replace valve.
Remove and repair suction
pipe.
Remove and clean, repair or
replace valve.
Remove and clean, repair or
replace valve.
Subject to alterations.
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