Instruction Manual

8 Troubleshooting
48 E-812/816 Hot Extraction Operation Manual, Version B
Table 8-1: General malfunctions and their remedy (cont.)
Malfunction Possible cause Corrective measure
No boiling Incorrect positioning of the beaker Place the beaker directly onto the heating
plate
Beaker position is not active
Heater power is set too low
Activate the beaker position
Use 100% for general purpose
Choose correct solvent
Elution of celite Too much organic solvent for extrac-
tion
Stick to the standard application parameters
Sand/celite layers mixed up Clean the extraction chambers
Empty solvent tank not
possible
Software breakdown Retry to empty the solvent tank. If this does
not work, manually empty the tank by opening
the emergency opening
8.2 Error messages
NOTE
In the following table X refers to the position in the instrument starting from left to right.
Table 8-2: Error messages
Error number Display information Possible cause Corrective measure
0001 No cooling water flow detected.
Please verify if a proper flow is
possible
No cooling water started or
connected
Open the cooling water flow
0002 Please close safety shield
completely
Safety shield is open Close safety shield correctly
0003 The Line Voltage is too low Voltage is out of the range Make sure the power supply is
stable and start again
0004 The Line Voltage is too high Voltage is out of the range Make sure the power supply is
stable and start again
0006 Heating malfunction. Please
contact service
Heating defective Contact the BUCHI customer service
0020 Error during extraction process:
All tasks stopped
Error during process Start again
0021 to
0026
Overtemperature Heater X:
Heater was turned off
Overtemperature on
respective position
Cool down the heating and start
again
0051 Error during rack positioning.
Motor was shut off
Motor error Contact the BUCHI customer service
0077 to
0082
Malfunction of heater at position X
occurred. Please check heater
Heater defective Contact the BUCHI customer service
0083 Solvent tank is full. Please empty
tank and restart again.
Solvent tank was not
cleared. There is too much
solvent in the tank
Empty solvent tank by pressing the
button “Solv.”
any other - Technical errors Contact the BUCHI customer service