The Pump Is Not Running And Grundfos Eye Is Flashing Red; The Pump Is Running And The Motor Shows A Red Indicator Light - Grundfos SCALA1 System Instructions Manual

6.11 The pump is not running and Grundfos
Eye is flashing red
Grundfos Eye:
Two opposite red
indicator lights are
flashing simultaneously.
Cause
The shaft seal is seized
up.
The pump is blocked by
impurities.
Overheating due to
seized-up or choked-up
pump.
Too low or too high
supply voltage.
Remedy
• Dismantle the pump.
• Remove the impurities.
• Inspect the pump for
signs of blockage, and
remove any impurities.
• Contact your pump
supplier.
• Check the supply
voltage and correct the
fault, if possible.
6.12 The pump is running and the motor
shows a red indicator light
Grundfos Eye:
Two opposite green
indicator lights are
rotating.
The leakage indicator
light is on.
Cause
The non-return valve is
not properly closed or
the pipe system is
leaking. This happens
when cycling alarm
and/or leakage alarm
are disabled.
Small continuous
consumption.
Remedy
• Check and repair the
pipe system, or clean,
repair or replace the
non-return valve.
• Make sure that all taps
are closed.
• Check the system for
leakages.
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