Microlab
®
STAR Service Manual
10-11
Error Handling (continued)
Incident Corrective Action
Pipetting Head cLLD problems 1. Ensure conductive liquid is used.
2. Run the PIP AUTOADJUSTMENT.MCR
3. Check if the O-Ring is squeezed when the
program is started.
4. Using Service Software
1. squeeze CO-RE O-Ring: menu
movements
sensors
pipetting channels squeezer
drive.
2. perform a cLLD measurement: menu
control
single commands, send
PXALal1lc0, then connect stop disk of
Pipetting Channel X with ground for a short
moment (e.g. use a conductive cable between
stop disk and deck). Then send command
PXRN, the response should then be
PXRNid####rn1 ==> LLD detected.
3. If it is PXRNid####rn0 then the Squeezer
does not squeeze enough, or the O-ring may
be worn out, or else the pipetting head or
Channel is defective.
4. Switch Pipetting Heads and repeat procedure. If
this eliminates the problem on that specific
position, replace the Pipetting Head.
If no Improvement, it may indicate that the
Channel is defective and must be replaced.
Pipetting Head pLLD
problems
1. Ensure disposables Tips are not being reused.
2. Run a method with a Tip pickup, an aspirating
step and Tip eject.
Check then the LLD Trace files from Service
Software.
3. Switch Pipetting Heads and repeat procedure. If
this eliminates the problem on that specific
position, replace the Pipetting Head.
If no Improvement, it may indicate that the
Channel is defective and must be replaced.
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