Leica Biosystems ST4040 - Manual (Page 43)

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).