Leica CM1860 Instructions For Use Manual page 60

8. Troubleshooting
Problem
Tissue adheres to the anti-roll
guide.
Flattened sections curl up when
anti-roll plate is folded up.
Sections tear or separate.
Inconsistent or insufficient speci-
men feed not uniform or inaccurate.
Specimen disc cannot be removed.
Cryostat non-operational.
60
Cause
- Dried specimen.
- Anti-roll plate is too warm or
incorrectly positioned.
- Static charge.
- Fat on the corner or edge of anti-
roll plate.
- Rust on the knife.
- Static charge or air current.
- Anti-roll plate too warm.
- Temperature too low for the tis-
sue being sectioned.
- Blunt part, dirt, dust, frost or rust
on the knife.
- Front edge of the anti-roll plate
damaged.
- Hard particles in the tissue.
- Dirt on back of knife.
- Defective microtome.
- Moisture on the underside
causes the specimen to freeze
to the freezing shelf or specimen
head.
- Mains plug not properly con-
nected.
- Circuit breaker is switched off.
Remedy
- Cool down anti-roll plate or
reposition correctly.
- Remove static electricity.
- Remove fat with alcohol.
- Remove rust.
- Remove static electricity.
- Cool down the anti-roll plate.
- Increase temperature and
wait.
- Remedy cause (--> see indi-
vidual specific solution).
- Replace plate.
- If the application permits, cut
deeper during sectioning.
- Clean.
- Call technical service.
- Apply concentrated alcohol
to the contact point or heat
the specimen head.
- Check if power plug is prop-
erly connected.
- Move the switch back to the
upper click stop.
Instructions for Use V 1.6 RevI – 10/2016