20
Instructions for Use V 1.7 Rev. J – 12/2017
7. Troubleshooting
Error condition
Possible causes
Corrective action
The cold plate cannot cool
down to the target temperature
and the alarm beeps twice.
Inadequate air supply to venti-
lation unit.
Or
The cold plate is malfunc-
tioned.
1. Make sure that enough
space is reserved between the
wall and the instrument. It must
be at least 15 cm.
2. Wait about 5 minutes and
restart the instrument.
3. If the problem persists,
contact customer service.
The cold plate cannot cool
down to the target temperature
but no alarm.
Ambient temperature is too
high.
Or
Too much condensated
water/ice/frost on the cold
plate surface.
1. Make sure that the room
temperature is 20~30 °C.
2. Make sure that enough
space is reserved between the
wall and the instrument. It must
be at least 15 cm.
3. Clean the cold plate and
restart the instrument.
4. If the problem persists,
contact customer service.
The temperature of the cold
plate is too low and the alarm
beeps steady (may cause
cracks on the paraffin blocks).
The cold plate is
malfunctioned.
1. Restart the instrument.
2. If the problem persists,
contact customer service.
If you cannot solve your problem using the help in the following table, please contact your Leica
Biosystems customer service organization or the Leica Bosystems dealer from whom you pur-
chased the instrument.
