Trouble shooting – Leica Biosystems ST4040 User Manual
Page 43
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43
Leica ST4040 – Linear Stainer
Possible cause
Problem
What to do
7.
Trouble Shooting
-
Clean drain hose (see
chapter 8 - ‘Cleaning /Main-
tenance’) - If necessary, re-
place drain hose by new
one.
-
Call Technical Service.
-
Call Technical Service.
-
Call Technical Service.
-
Call Technical Service.
-
Drain hose clogged up
(algae).
-
Fan or fan drive defective.
-
PCB defective.
-
Contacts loose.
-
Control panel drive defec-
tive.
Waste water does not drain
away.
Fan does not work.
Controls do not work
(buttons do not respond, no
display indication).
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