29
The plunger has not been screwed back completely to its initial position
before the cartridge holder was attached
Solution:
Screw the plunger properly back into the pen body and then attach
the cartridge holder to the pen body
A dosage has been set and the injection button pressed without attaching
the needle or when the needle is blocked or not properly attached
Solution:
If the rubber seal is bulging out, you may not be able to fix the
needle properly� The rubber seal might even break� Please use a new insulin
cartridge
The cartridge holder cannot be
screwed on to the pen body
OR the rubber seal of the cartridge
is bulging out
6
7
The mechanism could be blocked because you have tried to
extract more units from the cartridge than are present
Solution:
Hold the plunger reset ring firmly in one hand� Hold the
dosage selector with the other hand� Turn the dosage selector back
towards you until it reaches “0”
The plunger cannot be screwed
back to its initial position
(after changing the cartridge)
