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5. Troubleshooting
Low or No Suction Valve and Membrane Check
• Remove and separate valve from membrane.
• Inspect the valve for chips or cracks. Inspect the membrane for holes
or tears. If flawed or damaged replace valve and/or membrane prior to
pumping.
• Wash valve and membrane per Cleaning section.
• Reassemble. Make sure the membrane lays flat on the valve, and if it
does not, replace the valve and/or membrane prior to pumping.
Breastshield and Connector Check
• Inspect breastshield and connector to make sure there are no cracks
and they securely attach to each other.
• Make sure the breastshield forms a complete seal around the breast.
Connection Point Check
Inspect following connection points to ensure attachment is secure
• Tubing adapter to connector.
• Tubing end to motor unit.
• Check that the tubing is not kinked or pinched.
• Other: Perform steps of troublshooting Section "milk in motor".
• Test vacuum. If suction is not improved, contact Medela Customer
Service at 1-800-435-8316.
Power source • Make sure pump is plugged in correctly. Pump will NOT turn on if
tubing is plugged into the AC adapter port.
• Make sure the “on” button is being held between 1 and 3 seconds.
• Do not repeatedly hit the on/off button, or hold the on/off button
down longer than 3 seconds.
• If using batteries, make sure transformer is not plugged into pump.
• If using batteries, make sure batteries are installed correctly
inside pump.
• If pump is still not working with the power adaptor or the battery
compartment, contact Medela Customer Service at 1-800-435-8316.
Condensation or milk
in tubing
• Refer to “Tubing and motor unit cleaning” section 1.4.
No “let-down” or
breastmilk expression
• Ensure your breastpump is assembled correctly and that there is
suction.
• Relax and take a 10-15 minute break if let down is not achieved after 2
consecutive pumping sessions.
• Consult with your healthcare provider or breastfeeding specialist if
expression does not occur.
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