en
Installation and operating instructions • Drive for Wilo-Helix2.0-VE / Wilo-Medana CH3-LE • Ed.01/2022-06
81
Code
Warning
Cause
Remedy
564
Setpoint missing from BMS
1
.
Sensor source or BMS
1
is
wrongly configured. Communic-
ation has failed.
Check configuration and Func-
tion of BMS
1
.
Additional information about causes and remedy:
•
Control functions are impaired. A replacement function is active.
565
Signal too high at analogue in-
put AI 1.
The available signal is signific-
antly over the expected maxi-
mum.
Check input signal.
Additional information about causes and remedy:
•
The signal is processed with the maximum value.
566
Signal too high at analogue in-
put AI 2.
The available signal is signific-
antly over the expected maxi-
mum.
Check input signal.
Additional information about causes and remedy:
•
The signal is processed with the maximum value.
570
Electronic module too hot.
Permissible temperature of the
electronic module is exceeded.
Ensure permissible ambient
temperature. Improve room
ventilation.
Additional information about causes and remedy:
•
The electronic module must adjust the pump’s operation in the event of noticeable overheating to
prevent damage to electronic components.
571
Double pump connection inter-
rupted.
The connection to the double
pump partner cannot be made.
Check power supply of the
double pump partner, cable
connection and configuration.
Additional information about causes and remedy:
•
The pump function is slightly impaired. The motor meets the pump function up to the perform-
ance limit.
573
Communication to display and
operating unit interrupted.
Internal communication to dis-
play and operating unit inter-
rupted.
Check ribbon cable contact.
Additional information about causes and remedy:
•
The display and operating unit is connected to the pump's electronics via a ribbon cable on its rear.
574
Communication to CIF module
interrupted.
Internal communication to the
CIF.
Check/clean contacts between
CIF module and electronic mod-
ule.
Additional information about causes and remedy:
•
The CIF module is connected in the terminal room to the pump via 4 contacts.
578
HMI faulty.
A fault in the display and oper-
ating unit has been identified.
Replace display and operating
unit.
Additional information about causes and remedy:
•
The display and operating unit is available as a spare part.
582
Double pump is not compatible
Double pump partner is not
compatible with this pump.
Select/install appropriate double
pump partner.
Additional information about causes and remedy:
•
Double pump function is only possible with two compatible pumps of the same type.
586
Overvoltage
Power supply is too high
Check power supply
Additional information about causes and remedy:
•
The pump is running. If the voltage continues to rise, the pump will shut down. Excessive voltages
can damage the pump.
588
Electronics fan blocked, defect-
ive or not connected.
Electronics fan not working
Check fan cable
Table 20: Warning messages
1)
BMS = Building management system
