BUCHI Melting Point M-565 - Manual (Page 53)

8 Troubleshooting
53 Melting Point M-565 Operation Manual, Version D
Table 8-1: General malfunctions and their remedy
Malfunction Possible cause Remedy
Sample decomposes during the
melting process (formation of
bubbles, sample turns brown, etc.)
Apparatus parameters:
Apparatus is not or is poorly cali-
brated
Regular calibration of apparatus with
BUCHI calibrating substances
Method “According to pharmaco-
poeia” or “thermodynamic melting
point determination” is incorrectly
selected Alter the corresponding parameters
No results Setting point is too close to the
melting point Select setting point 5–10 °C below
melting point
No statistic Setting parameter Statistic is
disabled Enable the Statistic in the Settings
Instrument does not heat Heating defective Contact BUCHI customer service.
Table 8-2: Malfunctions with Melting Point Monitor software
Malfunction Possible cause Remedy
No USB connection USB cable is not connected or defec-
tive. Check USB connection, replace if
necessary.
Driver not found Device connected for the first time. Install recommended driver.
Table 8-3: Warning messages
Warning number Possible cause Remedy
Warning 01 Calibration outdated. Calibrate or verify device.
Warning 02 Housing temperature too high. Cool down device and check clearance of vent
holes and fans.
Check ambient temperature.
Warning 03 Device not calibrated. Calibrate device.
Table 8–4: Error messages
Error number Possible cause Remedy
Error 01 Memory data loss, all data are reset. Calibrate device.
In case of recurrence contact customer service.
Error 02 Automatic restart, firmware problem possible. In case of recurrence contact customer service.
Error 03 Board temperature sensor defective. Contact customer service.
Error 04 Temperature sensor defective. Contact customer service.
Error 05 Heating defective. Contact customer service.
Error 06 Cooling fan defective. Contact customer service.
Error 07 Housing fan defective. Contact customer service.
Error 08 Camera defective, communication loss. Contact customer service.
Error 09 24 V fuse defective. Contact customer service.
Error 10 24 V input voltage missing. Contact customer service.