Elitech FreezePoint 6000 Series, User Manual

Page: 68 / 138

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Section 7: Troubleshooting
Error description Possible Cause Remedy Personnel
No crystallization * or
Poor ice crystal
formation in upper
cooling system
Peltier element defective Replace upper cooling system ** Service technician
Cable connection
between cooling system
and PCB defective
Initiation needle too
long or too short
Adjust initiation needle to correct
length ( page 73)
Initiation needle
not deburred
Debur initiation needle
using fine sandpaper
Initiation needle bent Manually bend initiation needle
so that it is vertical, replace if
necessary ( page 72)
Initiation needle
does not move
Initiation needle
disengaged from
motor or stuck
Verify free movement of initiation
needle ( page 74)
Error in rotation of
motor disk (initiation
needle drive)
Align initiation needle ( page 72)
Service technician
Correct length of initiation
needle ( page 73)
Check if light barrier is located
properly and replace if necessary **
Tighten motor disk
Printer does not print Paper roll is used up Replace paper roll () User
Ribbon is empty Replace ribbon ()
Measurement procedure
takes longer than usual
Fan is defective
or obstructed
Check if fan is operational and
remove any foreign objects
Replace fan **
Service technician
Peltier element
is defective
Replace lower cooling system **
Spontaneous
crystallization*
Sample not prepared
correctly
Use sample according
to performance data of
device ( page 11)
User
Thermistor probe not
aligned correctly
Align thermistor probe
( page 78)
Service technician
Elevator moved
up by user
Leave the elevator in the
lowered position during the
measurement procedure
User