KERN & SOHN MLB 50-3C - Manual (Page 67)

MLB_C-BA-e-1431 67
19 Instant help
Fault Possible cause
Display is not lit up.
• The display unit is not switched on
• The mains supply connection has been
interrupted (mains cable not plugged in/faulty)
• Power supply interrupted
• Fuse has blown
The display does not change
when a sample is being loaded
• Sample dish / dish holder is fitted incorrectly.
The weight display changes
constantly / the stability display
does not appear.
• Sample dish has contact with wind protection
device or heated cover
• Draught/air movement
• Table/floor vibrations
• Electromagnetic fields / static charging (choose
different location/switch off interfering device if
possible)
Incorrect measuring result
• Check adjustment
• No resetting to zero before loading the sample
Measurement is taking too
long
• Incorrect shut-down criteria set
Measurement is
not reproducible
• Sample is not homogenous
• Drying time is too short
• Drying temperature too high (e.g. oxidation
sample material, boiling point of sample
exceeded)
• Temperature sensor soiled or defective
Drying does not start
• Heated cover open
• The mains supply connection has been
interrupted (mains cable not plugged in/faulty)