English
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WILO SE 06/2010
Warning! Risk of scalding!
At high fluid temperatures and system pressures, allow the pump to cool
down first and then depressurise the system.
If the operating fault cannot be remedied, please consult a specialist techni-
cian or the nearest Wilo after-sales service point or representative.
11 Spare parts
Spare parts may be ordered via a local specialist retailer and/or Wilo customer
service.
To avoid queries and incorrect orders, all data on the name plate should be sub-
mitted with each order.
Faults
Causes
Remedy
Communication with
external control is
disrupted
Wrong communication
parameter
Damaged wiring
Check, and adjust if necessary
(see Commissioning)
Check whether other bus nodes are
affected in order to limit malfunc-
tions; check wiring
