Bruker RS - During Operation of the Cryogenic Refrigerator

102
ZTKS0156 / Z31820 / Rev.: 03
Troubleshooting
6.2.8 During Operation of the Cryogenic Refrigerator
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In the case of a complete failure of the Cryogenic Refrigerator, the helium contained in
the helium vessel will be sufficient to cool the magnet for at least 3 days. If solving the
issue takes longer, it is necessary to refill helium at all time (refer to supplied Refill
Manual).
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In case of any issue or failure specified in the following table where the intervention of
the operator is necessary, make sure the start button of the compressor is switched off
and the power supply of the compressor is disconnected.
After resolving the issue, connect the power supply and push the start button of the com-
pressor.
If the compressor does not start immediately, press the temperature and the pressure
switch for reset and after this the start button on the compressor.
For problems not specified in this chapter refer to the supplied manual of the Cryogenic
Refrigerator.
Continued on next page
Indicator Possible reason Solution By
Compressor is not
operating.
No power supply or
power supply inter-
rupted.
Check the power supply to
the compressor and verify
that it meets the system requi-
rements.
Approved
Customer
Personnel
Circuit breaker OFF. Check that the circuit breaker
on the front panel of the com-
pressor is ON.
Check for possible causes
why the circuit breaker swit-
ched off.
Approved
Customer
Personnel
Check for possible causes
why the circuit breaker swit-
ched off.
Approved
Customer
Personnel
Pressure switch
tripped
Reset the pressure switch
located at the bottom of the
front panel of the compressor.
Approved
Customer
Personnel
Temperature switch
tripped
Reset the temperature switch
located at the bottom of the
front panel of the compressor.
Approved
Customer
Personnel