BUCHI Extraction System B-811 LSV - Manual (Page 48)

8 Troubleshooting
48 B-811 Operation Manual, Version G
8 Troubleshooting
This chapter helps to resume operation after a minor problem has occurred with the instrument. It lists
possible occurrences, their probable cause and suggests how to remedy the problem.
The troubleshooting table below lists possible malfunctions and errors of the instrument. The operator
is enabled to correct some of those problems or errors by him/herself. For this, appropriate corrective
measures are listed in the column “Corrective measure”.
The elimination of more complicated malfunctions or errors is usually performed by a Buchi technical
engineer who has access to the official service manuals. In this case, please refer to your local Buchi
customer service agent.
8 .1 Malfunctions and their remedy
Table 8-1: General malfunctions and their remedy
Error number Possible cause Corrective measure
Error 1 Empty beaker Stop the program and refill the solvent beaker
Error 2 Beaker missing Insert the beaker and turn on the heating
element
Error 3 Optical sensor error Contact the Buchi customer service
Error 4 Draining not possible Clean the glass valve
Error 5 Evaporating time > 30 min
between the heating elements Heating power too low, volume differences are
too large
Error 10 No cooling water Open the cooling water flow
Error 11 No location active Insert a beaker and turn on the heating element
Technical errors:
Error 30
Temperatures too low on 1. heating
element
Error 31 Temperatures too high, lower
heating
Error 32 Lower heating circle broken
Error 33 Temperatures too low on upper
heating element
Error 34 Temperatures too high on upper
heating element
Error 35 Upper heating circle broken
Other error messages Technical error Contact the Buchi customer service