BUCHI KjelDigester K-449 - Manual (Page 57)

8 – 57 Operation Manual KjelDigester K-446/K-449
8 Troubleshooting
a Follow-on tasks
1. Clean the KjelDigester (7–48).
2. Check the glassware (8–58).
8.3.2 Power supply failure [ERR 1] during a digestion
CAUTION
Risk of acid or toxic fume inhalation!
Minor or moderate chemical burns of the airways.
1. Close the door of the fume hood as far as possible.
2. Leave the room.
1. Close the door of the fume hood as far as possible.
2. Leave the room and secure it until no fumes are left.
3. Try to reestablish the power supply so that the fume will be aspirated.
4. Restart the digestion.
8.3.3 Sample tubes jam in the heating block (K-449 only)
1. Perform a glass part check (8–58).
2. Contact the BUCHI customer service to align the rack support and heating block.
8.4 Checks
8.4.1 Suction module sealing and spring, check
1. Check all sealings b and springs a on the suction module.
∙No damaged spots c on the sealings.
∙No broken springs.