KSB Riotec 50-70 [18/19] Tabelle i part 8 problems causes and solutions
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KSB Riotec 50-70 [18/19] Tabelle i part 8 problems causes and solutions

KSB Riotec 80-100 [18/19] Tabelle i part 8 problems causes and solutions
26
Riotec / Riotec Z
Tabelle I (Part 8: Problems, Causes and Solutions)
Code Fault/error Error- Manual Switch off Cause Solutions
No. LED *) Reset at x
errors/
24 hrs
E01 Pump does not run despite O W Elektric fuse defect, Check fuse
being plugged in
W No voltage in pump, Restore
voltage
E02 Water temperature < 20 °C O W Protective motor switch Adjust to higher temperature
connected incorrectly
E03 Water temperature >110 °C O W Protective motor switch Adjust to lower temperature
connected incorrectly
E04 Mains under voltage P < 5 min: W Mains overloaded Check electronic installation
Yes > 5 min: x=6
E05 Mains under voltage P < 5 min: W
Yes > 5 min: x=6
E07 Generator mode O W Driven by admission pressure Balance out the capacity regulation
pump of the pumps
E10 Pump blocked P Yes x=1 e.g. sedimentation De-blocking routine starts auto-
matically. Should this not remove
the blockage, the pump switches
off.
Call customer services.
E11 Motor running idly O W air in the pump Ventilate the pump and the unit.
E20 Coil overheated P Yes x=6 Motor overloaded Let motor cool down,
setting
Ambient temperature too high Reduce water temperature
E21 Motor overload P Yes x=6 Sediment in the pump Call customer services
E23 Short circuit/contact fault P Yes x=6 Motor defect Call customer services
E25 Contact error P Yes x=6 Module connected incorrectly Connect module again
Coil interrupted P Yes x=6 Motor defect Call customer services
E26 Temp.-sensor interrupted P Yes x=6 Motor defect Call customer services
E27 Speed sensor defect O W Pump running in emergency mode Call customer services
(solid characteristic) depending in
the fixed set value. Should the
control signal re-appear, the unit
will return to regulator mode after
5 mins.
E30 Excess temperature – module P Yes x=6 Air intake to module heat sink is Free air intake
blocked
E31 Excess temperature – P Yes x=6 ambient temperature too high Improve ventilation in room
power component
E36 Module defect P x=1 Elektronic components defect in Call customer services /
pumps with P1 ≥ 500 W change module
E38 Temp.-sensor medium defect O W Module defect (Night-time mode) Call customer services
Motor defect in pumps with
P1 < 500 W
E50 Error PLR communication O W Interface, connection defect After 5 minutes, the unit switches
IF-modules not plugged in from PLR mode to regulator local
properly, cable defect mode
E51 non-permissible combination O W different pumps
fourth column means that the error reading has to be
reset manually at the pump.
Fifth column – “Switch off at x errors/24 hrs”:
x=1: In the event of a serious error the unit imme-
diately switches off when the error first arises.
x=6: An error arises. The pump switches off. Once
the error has been rectified, the pump switches
on again. When the same error arises for the
sixth time within the space of 24 hours, the
pump switches off permanently and registers
SSM. Manual reset is necessary.
W: The error (Warning only) appears on the
display but the error LED does not light up.
The pump continues to run. The error can
occur an infinite number of times. The indicated
operating condition should not be ignored for
long periods of time. The cause of the error
must be removed.

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