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ULVAC CRYOGENICS INCORPORATED
close the right panel.
(5) Press RUN/STOP button of EMP-14A to reboot the entire system.
(For the system with IM-120
）
(1) Open the dry air valve to supply dry air to IM-120.
(2) Supply nitrogen gas to EMP-14A for at least one hour.
(3) Press the RUN/STOP switch of EMP-14A to reboot the entire system.
NOTE: Please inform us in advance when the system is to be suspended for longer
than two weeks.
8.5 Corrective action in the event of an error
In an event of an error, follow the procedure below and in “13.Trouble Shooting”.
8.5.1
Corrective action when electric power failure occurs
EMP-14A and GN-10i will be automatically restored from electric power failure
and they will be rebooted automatically when the electricity comes back. However,
when the amount of liquid nitrogen inside is 75% or more, production may not be
resumed at the time of rebooting. (This is the common precaution when
rebooting).
8.5.2
Corrective action for COMP. AL.
(1) Check the electric supply voltage and capacity.
(2) Remove the acrylic panel of EMP-14A compressor display, turn down the lever
of compressor OPERATION switch and return it to upward again.
(3) Press RESET button of EMP-14A.
(4) When a trouble is temporary, SA115-C re-starts. When the system stops due
to abnormal temperature, it may unable to resume for about 30 minutes until
the detection part is cooled down. When SA115-C does not start at all with
COMP.ALARM illuminated, refer to "13.Trouble Shooting" and perform
corrective actions.
8.5.3
Corrective action for GN2 AL.
(For the system with GN-10i)
(1) Turn off the RUN/STOP switch of EMP-14A.
(2) Reset the GN-10i.
(3) Turn on the RUN/STOP switch to re-start EMP-14A.
(4) When nitrogen gas begins to flow from GN-10i, GN2 AL. lights off.
