Buchi KjelDigester K-449 Manual de usuario descargar pdf (Pagina 55)

8 – 55Operation Manual KjelDigester K-446/K-449

8 Troubleshooting

8.1 Customer service

Only authorized service personnel are allowed to perform repair work on the device which is

not described in this manual. Authorization requires a comprehensive technical training and

knowledge of possible dangers which might arise when working at the device. Such training

and knowledge can only be provided by BUCHI.

The customer service and support offers the following support:

∙ Spare part delivery

∙ Repairs

∙ Technical advice

Addresses of ofﬁcial BUCHI customer service ofﬁces can be found on the BUCHI website.

www.buchi.com

8.2 Error messages on the display

The troubleshooting table lists possible malfunctions and errors of the device. The operator is

enabled to correct some of those problems or errors. For this, appropriate corrective measures

are listed in the column “Corrective measure”.

Malfunction Possible cause Corrective measure

ERR 1 POWER Power supply interrupted.

The heat is turned off auto-

matically.

Restart. Delete the error

message from the display by

pressing [STOP].

ERR 2 TEMP The current heating block

temperature exceeds 500°C

(constant beeping sound).

Switch off the main switch.

Restart. Delete the error

message from the display by

pressing [STOP].

ERR 3 SHUT OFF MAINS Due to a blocked or defective

fan the internal temperature of

the device exceeds 60°C.

Switch off the device and

contact the BUCHI customer

service.

PT 1000 ERROR Temperature sensor short or

circuit interrupted.

Switch off the device and

contact the BUCHI customer

service.

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Buchi KjelDigester K-449 Manual de usuario Pagina 55