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13 Technical Data
The mains adapter included in the delivery and the breast pump form a medical electrical
system in accordance with EN 60601-1. All devices in the ME system comply with the
requirements of EN 60601-1 or EN 60950-1.
Pump making
strange noises
Lip valve unable to cope with
milk flow volume
Reduce suction strength (see "Setting the
suction strength" on page 31). If you have
a high milk flow volume, a low suction
strength will be perfectly adequate to
achieve good results.
Check whether the breast milk level has
already reached the lip valve. If so,
replace the breast milk container with an
empty one.
Milk has entered the tube
Immediately switch off the pump unit and
clean the tube and the filter (see
“5.3 Special cleaning of tube and filter“
on page 29).
Nature Sense:
The display shows
symbol
First Choice
+
:
Symbol
X
is lit in
the display
Inadequate power supply: Not
enough current supplied
through mains adapter or
power bank
Mains power operation:
Check that the
mains adapter
is properly
plugged in to the power supply socket
and the USB connector is firmly pushed
into the port on the pump unit.
Check that you are using the correct
mains adapter included in the delivery
package.
External power bank: Check that the USB
cable is connected to the 2A output of the
power bank and that the power bank is
adequately charged.
Replacement parts
needed (filter, lip
valve)
Contact your local Service Centre (see
"Contact addresses" on page 177).
Medical product according to directive
93/42/EEC
Class I
NUK electric Breast Pump
complies with EN 60601-1, EN 60601-1-2,
CISPR 11 Class 1 Group B
Mains adapter
complies with IEC 60950-1
NUK Teat
NUK Breast Milk Container
complies
with EN 14350
Suction
ca. 0 - 330 mbar
Cycles
ca. 30 - 120 cpm (cycles per minute)
Applied parts
silicone cushion
Problem
Reason
Remedy
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