BUCHI Inert Loop B-295 - Manual (Page 62)

8 Troubleshooting
62 B-290 Operation Manual, Version I
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 Error messages and their remedy
Table 8-1: Error messages and their remedy
Code Description Possible cause Corrective measure
001 Entry temperature sensor
interruption Defective sensor, sensor cable or
internal wiring Contact the BUCHI customer
service
002 Entry temperature sensor
short-circuit Defective sensor, sensor cable or
internal wiring Contact the BUCHI customer
service
003 Entry temperature exces-
sively high (> 230 °C) Defective heating control or heating
relay Contact the BUCHI customer
service
004 Exit temperature sensor
interruption Defective sensor, sensor cable or
internal wiring Contact the BUCHI customer
service
005 Exit temperature sensor
short-circuit Defective sensor, sensor cable or
internal wiring Contact the BUCHI customer
service
006 Exit temperature exces-
sively high Defective sensor, sensor cable or
internal wiring Contact the BUCHI customer
service
010 Malfunction of frequency
converter Defective frequency converter or wiring Contact the BUCHI customer
service
011 Heating malfunction See “System does not heat up” See “System does not heat up”
Only for operation with the Remote Control Panel
100
Connection to Remote
Control Panel interrupted or
disconnected Defective connection cable or instru-
ment is not plugged in Check connection cable for
damage and insert plug, if neces-
sary
Only for operation with the Inert Loop B-295
200
Connection to B-295 inter-
rupted or disconnected Defective connection cable or instru-
ment is not plugged in Check connection cable for
damage and insert plug, if neces-
sary
201 B-295 plugged in while
operation in process Connection cable plugged in after
switching on instrument Restart the system
202 O
2
alarm not given during
start-up
Oxygen sensor “spent”
Oxygen measuring equipment defective Replace the oxygen sensor
Contact the BUCHI customer
service