Troubleshooting - Medela Harmony Mode D'emploi

6. Troubleshooting

Low or No Suction
No "let-down" or breast milk
expression
20
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 fl awed or damaged, replace valve and/or
membrane prior to pumping.
• Wash valve and membrane per Cleaning Section 1.
• Reassemble. Make sure the membrane lays fl at on the valve
and if it does not, replace the valve and/or membrane prior to
pumping.
Breastshield and Pump Body Check
• Inspect breast shield and pump body to make sure there are no
cracks and they securely attach to each other.
• Make sure the stem assembly on the pump handle is seated all
the way into the pump body until it will go no farther.
• Make sure the white o-ring is in place in the stem handle.
• Make sure the pump body is fi rmly screwed onto the bottle and
that the breast shield is fi rmly seated into the pump body.
• Make sure the oval base of the stem is properly seated in the oval
base of the diaphragm.
• Make sure the diaphragm is pushed all the way onto the circular
rim on the underside of the handle.
• Make sure the breast shield forms a complete seal around the
breast.
• Ensure your breast pump 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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