Wilo Yonos GIGA2.0-I Notice De Montage Et De Mise En Service page 193

Installation and operating instructions Wilo-Yonos GIGA2.0-I/-D
Faults, causes and remedies
If an error message is output, the display is permanently on and the green LED indicator
is off.
The following table gives an overview of possible messages in the display:
Universal Display text
Error Fault
Please check operating Check the installation and operating instructions
manual
Double pump Twin-head pump
This head Location: This head
Partner head Location: Partner head
Exists since: Since
Acknowledge needed Confirmation required
For acknowlege long Press and hold the button for acknowledgement
press knob
Acknowleged, waiting Acknowledged, waiting for restart
for restart
Reset energy counter Reset energy counter
Press return key to can- Press "Back" to cancel
cel
Press and hold return Press and hold "Back" to cancel
key to cancel
System Notification System notification
no valid Parameter No valid parameters
Production mode active Production mode active
HMI blocked Display blocked
Code Fault
401 Unstable power supply
Additional information about causes and remedy:
Power supply too unstable.
Operation cannot be maintained.
402 Undervoltage
Additional information about causes and remedy:
Operation cannot be maintained. Possible causes:
1. Mains overloaded.
2. Pump is connected to the wrong power supply.
403 Overvoltage
Additional information about causes and remedy:
Operation cannot be maintained. Possible causes:
1. Pump is connected to the wrong power supply.
404 Pump blocked.
Additional information on causes and remedies:
In addition to deposits and foreign substances in the system, the pump shaft
can also be blocked.
Cause Remedy
Unstable power sup- Check the electrical in-
ply. stallation.
Power supply is too Check the electrical in-
low. stallation.
Power supply is too Check the electrical in-
high. stallation.
Mechanical influence Check free movement of
is inhibiting the rota- rotating parts in the pump
tion of the pump head and motor.
shaft. Remove deposits and for-
eign substances.
en
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