Faults, Causes And Remedies; Mechanical Faults Without Error Messages; Error Messages - Wilo Yonos GIGA2.0-I Einbau- Und Betriebsanleitung

17

Faults, causes and remedies

17.1 Mechanical faults without error
messages
17.2

Error messages

Installation and operating instructions • Wilo-Yonos GIGA2.0-I/-D • Ed.01/2023-03
Settings
Additional settings
Pump kick
Pump kick time interval
Basic function
Ramp time
Automatic PWM frequency
reduction
Table 33: Factory settings
WARNING
Have faults remedied by qualified personnel only! Observe
safety instructions.
In the event of malfunctions occurring, the fault management system provides pump per-
formance and functionalities that can still be achieved.
A fault that has occurred is checked continuously if technically possible and, if possible,
emergency operation or control mode is restored.
Malfunction-free pump operation is resumed as soon as the cause of the malfunction no
longer exists. Example: The electronic module is again cooled down.
NOTICE
If the pump behaves incorrectly, check that the analogue and digital in-
puts are configured correctly.
If the malfunction cannot be rectified, consult a specialist technician or the nearest Wilo
customer service or representative location.
Faults Causes
Pump does not start or Cable terminal loose.
stops working.
Pump does not start or Fuse protection defect.
stops working.
Pump runs at reduced Stop valve on the discharge
performance. side throttled.
Air in the suction line
Pump runs at reduced
performance.
Cavitation due to insufficient
suction pressure.
Pump makes noises.
Motor has bearing damage.
Pump makes noises.
Table 34: Mechanical faults
Displays an error message on the display
• The status display will be in red colour.
• Error message, error code (E...).
Yonos GIGA2.0
switched on
24 h
Control mode
0 s
switched off
Remedies
Check all cable connections.
Check fuses; replace faulty fuses.
Slowly open the stop valve.
Eliminate leakage at flanges.
Vent pump. In case of visible
leakage, replace the mechanical
seal.
Increase the suction pressure.
Observe the minimum inlet pres-
sure at the suction port. Check
slide valve and filter on the suc-
tion side and clean if need be.
Have the pump checked by Wilo
customer service or a specialised
service centre and repaired if ne-
cessary.
en
Yonos GIGA2.0 ... R1
switched on
24 h
Control mode
0 s
switched off
199