44
ZTKS0172 / Z31964 / 04
Troubleshooting
Table continued
Indicator
Possible reason
Solution
Performed by
Nitrogen ice in the
helium vessel.
Times between
pumping and
flushing were too
long. Nitrogen
boiled off during
pumping and
remaining nitrogen
got frozen during
flushing.
1.
Warm the magnet coil
with warm helium gas
by using the precooling
tube until the whole coil is
at 90 K or above.
2.
Repeat pumping and
flushing.
3.
Use the dipstick to check
that the helium vessel is
empty (no liquid nitrogen
or frozen nitrogen).
Bruker Service
Transfer of liquid
helium does not
start.
The transportation
dewar is empty.
Refill or replace transporta-
tion dewar.
Bruker Service
The transfer
pressure in the
transportation
dewar is too low.
Increase the transfer
pressure.
Bruker Service
The transportation
dewar is leaky, no
transfer pressure is
built up.
Check the transportation
dewar for leakage.
Re-tighten all connections.
Bruker Service
The siphon or the
helium transfer line
are blocked with
ice.
Check the siphon and
helium transfer line for
blockages. Remove ice with
warm helium gas.
Bruker Service
Содержание 500'89 Ascend Aeon
Страница 1: ...Version Innovation with Integrity 500 89 Ascend 04 User Manual NMR ...
Страница 6: ...6 ZTKS0172 Z31964 04 Table of Contents ...
Страница 8: ...8 ZTKS0172 Z31964 04 Contact ...
Страница 28: ...28 ZTKS0172 Z31964 04 Safety ...
Страница 34: ...34 ZTKS0172 Z31964 04 Transportation ...
Страница 35: ...35 ZTKS0172 Z31964 04 4 Assembling Approved Persons Bruker Service only ...
Страница 36: ...36 ZTKS0172 Z31964 04 Assembling ...
Страница 57: ...57 ZTKS0172 Z31964 04 8 Disassembling Approved Persons Bruker Service only ...
Страница 58: ...58 ZTKS0172 Z31964 04 Disassembling ...
Страница 81: ...81 ZTKS0172 Z31964 04 Technical Data MS 500 89 Ascend 9 21 Current Lead Figure 9 12 Current lead 55 pin ...
Страница 90: ...90 ZTKS0172 Z31964 04 Technical Data MS 500 89 Ascend ...
Страница 92: ...92 ZTKS0172 Z31964 04 Warning Signs ...
Страница 94: ...94 ZTKS0172 Z31964 04 List of Figures ...
Страница 96: ...96 ZTKS0172 Z31964 04 List of Tables ...
Страница 98: ...98 ZTKS0172 Z31964 04 Index ...
Страница 100: ...Bruker Corporation info bruker com www bruker com Order No Z31964 ...