Leica RM2145 - 9.3 Malfunctions - Sources and Elimination

37Leica RM 2145 – Rotary Microtome
9.3 Malfunctions - sources and elimination
9. Trouble shooting
1. Check mains cable connection
2. Exchange the mains fuses (see
chapter 11).
3. Check connection of control
panel cable.
1. Press any button. Check set-
tings, correct if necessary
1. Check settings - correct if
necessary. Work can be contin-
ued. Have battery exchanged as
soon as possible by Technical
Service.
1. Move specimen backwards
with coarse feed button.
2. Move specimen backwards
with coarse feed button.
1. To deactivate TRIM-STEP
mode, press TRIM to change to
‘SECT/ /µm’ display reading;
move specimen backwards with
coarse feed button.
1. Call Technical Service
1. Mains cable not properly
connected
2. Mains fuses defective.
3. Cable of control panel not
properly connected.
1. Spike in mains power supply
caused loss of set parameters.
1. Lithium battery exhausted (life
time approx. 7 years)
1. End of remaining horizontal feed
has been reached.
2. Specimen was already in
remaining horizontal feed zone
when switching on the instru-
ment.
1. TRIM-STEP (display reading:
TRIM//µm) still activated.
1. Instrument fails to recognize
limit stop positions.
No display indication, no response
to push button activation after
switching on.
LED reads ‘E-1’ after switching on.
LED repeatedly reads ‘E-1’ after
switching on.
No specimen feed.
Specimen, while in remaining
horizontal feed area, can not
moved backwards via the coarse
feed buttons.
HOME and STOP are illuminated
simultaneously.
Problem Possible cause How to correct it