Buchi KjelDigester K-446 - Page 5

5Operation Manual KjelDigester K-446 / K-449
6.8.2 Digestion process, automatic mode ............................................... 41
6.8.3 Digestion process, delayed start .................................................... 42
6.8.4 Set parameters for an automatic digestion ..................................... 43
6.8.5 Edit a method ................................................................................ 44
6.8.6 Select a method ............................................................................. 44
6.8.7 Set up a delayed start time ............................................................ 44
6.8.8 Moving the lift up or down .............................................................. 45
7 Maintenance 47
7.1 Maintenance plan ..................................................................................... 47
7.1.1 Maintenance as required/after use ................................................. 47
7.1.2 Daily maintenance .......................................................................... 47
7.1.3 Maintenance every week ................................................................ 47
7.1.4 Maintenance every year or after every 1000 digestion cycles.......... 48
7.1.5 Maintenance every 3 years ............................................................. 48
7.2 Cleaning ................................................................................................... 48
7.2.1 KjelDigester, cleaning ..................................................................... 48
7.2.2 Scrubber hose, cleaning ................................................................ 49
7.2.3 Suction module sealing and spring, cleaning .................................. 49
7.2.4 Sample tube, cleaning ................................................................... 49
7.3 Suction module sealing and spring ,replacement ...................................... 50
7.4 Fuse power supply, replacement .............................................................. 51
7.5 Rechargeable battery (K-449 only), replacement ...................................... 52
7.6 Suction module, removal .......................................................................... 54
8 Troubleshooting 55
8.1 Customer service ..................................................................................... 55
8.2 Error messages on the display ................................................................. 55
8.3 Faults ....................................................................................................... 56
8.3.1 Broken sample tube during digestion ............................................. 56
8.3.2 Power supply failure [ERR1] during a digestion .............................. 57
8.3.3 Sample tubes jam in the heating block (K-449 only) ....................... 57
8.4 Checks .................................................................................................... 57
8.4.1 Suction module sealing and spring, check ..................................... 57
8.4.2 Glass parts, check ......................................................................... 58
8.4.3 Rechargeable battery (K-449 only), check ...................................... 58
9 Taking out of operation 61
9.1 Transport .................................................................................................. 61
9.2 Taking out of operation ............................................................................. 61
9.3 Materials used .......................................................................................... 62