1 under-processed tissue – instrument setup, Under-processed tissue – instrument setup – Leica Biosystems PELORIS_PELORIS II User Manual

Page 141

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Troubleshooting

Leica PELORIS™ User Manual Rev K © Leica Biosystems Melbourne Pty Ltd 2011

141

9.2.1 Under-processed Tissue – Instrument Setup

Under-processed tissue

(soft/mushy/wet)

Yes

Yes

No

No

No

No

Yes

No

Stop:

well processed tissue

Yes

Yes

Go to 9.2.3 Under- or Over-

processed Tissue

– Reagents

No

Are any

error codes

present?

If a user warning, fix the

issue. If a service warning,
contact service

Retest.

Is the tissue

processed

correctly?

Was the

correct protocol

used?

Check:

tissue size
step times
pressure and vacuum
temperatures
drip times

Are the settings appropriate?
Optimize the reagent using the predefined

protocols as a guideline

Was the

correct carryover

value, number of

cassettes,

entered?

Enter correct values for carryover and

cassettes for the reagent management
system to work correctly.

Retest.

Is the tissue

processed

correctly?

Retest.

Is the tissue

processed

correctly?

Is the lab

workflow

appropriate?

Check:

Transfer fluid (formal saline?)
Fixation time
Water introduced after processing?
Quality of embedding wax

Are these all correct?

No

Retest.

Is the tissue

processed

correctly?

Yes

Yes

Yes

No

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