9. Operating signal light / Troubleshooting / Warranty
Work on electrical parts may only be performed by
authorized electricians on a de-energized unit.
The pump communicates its operation status or error situation via the
following LED signals:
Standby state: the
pump is powered,
ready to run
0.75 s off/0.1 s white/0.75 s off/0.1
s blue
The pump is
running normally
Continuously lit blue, green or
white, depending on the pump
operation mode (see end cover
pictograms)
0.75 s off / 0.1 s on
mode dependent color
Voltage or
overtemperature
error
1s on/1s off, mode dependent
color.
Check the mains voltage
Let the pump cool and
restart
Overcurrent error
Start error
Position sensing
error
0.2 s on / 0.2 s off, mode
dependent color.
Check for foreign object
blocking the pump rotor
( Section 8)
0.4 s off / 0.1 s on / 0.4 s off / 0.4 s
on, mode dependent color
Electronics board defect,
non-serviceable
Beyond the basic signal functions, ecocirc PREMIUM configuration is
equipped with a digital display as well. The display provides
information on the actual hydraulic performance and electrical power of
the pump on the following way: The display shows the electrical power
of the pump in Watts for 10 seconds, than shows the elevated water
column height (differential pressure) in meters for 10 seconds, than the
actual flow in m3/h for 10 seconds. Than the display returns to the
energy consumption in Watts and the cycle starts again.
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