Spare Parts - Wilo SiBoost Smart Einbau- Und Betriebsanleitung

Fault
Motor protection switch triggers
Pump(s) produces no or too little power
Pump(s) produces no or too little power
Dry-running protection system switches
off, although water is present
Dry-running protection does not switch
off, although water low
Rotation direction warning light on (not
for all pump types)
You will find information on pump or control
device faults not dealt with here in the attached
documentation for the components concerned.
If the operating fault cannot be remedied,
please consult a specialist technician or the
nearest Wilo customer service office or repre-
sentative.
Installation and operating instructions Wilo-SiBoost Smart (FC) ... Helix V/... Helix VE/... Helix EXCEL
Cause
Volume flow too large
Contactor defective
Turn-to-turn fault in motor
Mains voltage: a phase is missing
Major fluctuations in Intake pressure
Intake pipe blocked or shut off
Nominal diameter of inlet pipe too small Check the inlet pipe, increase the cross-
Inlet pipe incorrectly installed
Air in inlet
Impellers blocked
Non-return valve leaking
Non-return valve blocked
Gate valve in system closed or not suf-
ficiently open
Low-water level switch has triggered
Direction of motor rotation false
Turn-to-turn fault in motor
Major fluctuations in Intake pressure
Nominal diameter of inlet pipe too small Check the inlet pipe, increase the cross-
Inlet pipe incorrectly installed
Volume flow too large
Electrodes incorrectly connected or sup-
ply pressure switch incorrectly set
Low-water level switch defective
Electrodes incorrectly connected or sup-
ply pressure switch incorrectly set
Low-water level switch defective
Direction of motor rotation false
Remedy
Check pump data and default values and
correct if necessary
Check and replace if necessary
Check, if necessary replace motor or
have repaired
Check fuses, cables and connections
Check intake pressure, if necessary take
measures to stabilise supply pressure
(e.g. pressure reducer)
Check inlet pipe, if necessary remove
blockage or open check valve
section for the inlet pipe if necessary
Check inlet pipe, if necessary change
pipe guide
Check, if necessary seal pipe. Vent
pumps
Check pump, if necessary replace or have
repaired
Check, if necessary replace seal or
replace non-return valve
Check, if necessary remove blockage or
replace non-return valve
Check, open the check valve completely
if necessary
Check intake pressure
Check direction of rotation and correct
by changing over phases if necessary
Check, if necessary replace motor or
have repaired
Check intake pressure, if necessary take
measures to stabilise supply pressure
(e.g. pressure reducer)
section for the inlet pipe if necessary
Check inlet pipe, if necessary change
pipe guide
Check pump data and default values and
correct if necessary
Check installation or setting and correct
Check, if necessary replace the low-
water level switch
Check installation or setting and correct
Check, if necessary replace the low-
water level switch
Check direction of rotation and correct
by changing over phases if necessary

11 Spare parts

Spare parts or repairs may be ordered from local
specialist retailers and/or Wilo-customer service.
In order to avoid queries and incorrect orders, all
data on the rating plate should be submitted for
each order.
Technical information subject to change with-
out prior notice!
English
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