AND MPA-10 Instruction Manual page 42

Problem
Amount dispensed is
too much
Amount dispensed is
too little
Device produces an
abnormal noise
Tip won't eject
Tip holder discoloration Dispensing acids for
01 Err
02 Err
98 Err
Reason
Liquid on outer part of
tip
Solvent evaporates
and increases
pressure inside the tip.
Piston becomes stuck
When the pipette
hasn't been used for a
while inner piston parts
can become stuck due
to grease.
Tip length is incorrect
long times.
Connection nut (Refer
to "7-5 Parts names
and materials")
is loose
Stepping motor failure
40
How to fix
Refer to "10 PIPETTING FOR
ACCURATE DISPENSING"
Refer to "10 PIPETTING FOR
ACCURATE DISPENSING"
After moderate usage device
should return to normal
functionality.
Refer to "12 ADJUSTING
TIP EJECTOR HEIGT"
If device functionality is affected
replace the lower part.
Reattach the connection nut.
Press the reset key and reset
the device.
Press the reset key and return
the motor position to the origin