Wilo Yonos GIGA2.0-I Installation And Operating Instructions Manual page 197

Warning: W573
Communication between display
and electronic module interrupted
Please check user manual
Fig. 99: Warning W573
Installation and operating instructions Wilo-Yonos GIGA2.0-I/-D
Faults, causes and remedies
Code Warning
573 Communication to dis-
play and operating unit
interrupted.
Additional information about causes and remedies:
The display and operating unit is connected to the pump's electronics on its
rear side via a ribbon cable.
574 Communication to CIF
module interrupted.
Additional information about causes and remedy:
The CIF module is connected to the pump in the terminal room via four con-
tacts.
578 Display and control unit
defective.
Additional information about causes and remedy:
The display and operating unit is available as a spare part.
582 Twin-head pump is not
compatible.
Additional information about causes and remedy:
Twin-head pump function is only possible with two compatible pumps of the
same type.
586 Overvoltage
Additional information about causes and remedy:
The pump is running. If the voltage continues to increase, the pump is shut
down.
Excessive voltages can damage the pump.
588 Electronic fan blocked,
defective or not con-
nected.
1)
BMS = Building management system
NOTICE
The warning W573 "Communication to the display and control unit interrupted", is
shown differently from all other warnings on the display.
Universal Display text
Warning: W573 Warning W573
Communication Communication between display and electronic module in-
between display and terrupted.
electronic module inter- Please check in user manual.
rupted Please check op-
erating manual
Please check operating
manual
Cause Remedy
Internal communica- Check the ribbon cable
tion to display and connection.
operating unit inter-
rupted.
Internal communica- Check/clean contacts
tion to the CIF mod- between CIF module and
ule interrupted. electronic module.
A fault in the display Replace display and oper-
and operating unit ating unit.
has been identified.
Twin-head pump Select/install appropriate
partner is not com- twin-head pump partner.
patible with this
pump.
Power supply is too Check power supply
high.
Electronic fan does Check the fan cable.
not work
en
197