9 Error Messages and Troubleshooting
Component Groups
function
Malfunction
Effect
Possible Cause
Measure
Upper cooling system
Nucleation
No cooling or no ice
crystals at the upper
cooling system
Insufficient ice
accumulation on the bar
of the needle
Incomplete rotation of
the motor disk (with
initiation needle)
Error message and
No reading
No crystallization
No reading
Error message
No crystallization
No reading
Error message
Peltier element ruined, e.g. by
liquid deposits
Corrosion
Incorrect adjusted upper cooling
system
Bar of needle too short or
too long
Photoelectric beam for motor
control defective or incorrect
adjusted
Motor disc loose
Replace upper cooling system
Clean the cooling nipple using a fine wire
brush (fiberglass pin) or fine sandpaper
Adjust the cooling system
Adjust the bar of the needle or
check for proper length
Make sure the photoelectric beam is working
and is positioned properly
Tighten the motor disc
Table 2 Malfunction of the Upper Cooling System Component Group
32 | Error Messages and Troubleshooting
