Montana Instruments Cryostation s Series - Troubleshooting Common System Issues

System User Manual
58
7.2 System Diagnostics
7.2.1 Performance Issues
If a degradation in performance or other failures are experienced, check for these common issues:
Problem/Symptom
Possible Cause
Solution/Suggestion
System is unable to reach target
temperature or cooldown takes
longer than expected
See Temperature Optimization on page 62
System does not meet vibration
specifications on sample stage
See Vibration Mitigation on page 62
System will not pull rough
vacuum – leak check failed
Vacuum leak
See Vacuum Check on page 63
System condensing moisture on
sample, windows, exterior of
sample chamber or vacuum case
(black cylinder surrounding
cryocooler). Exterior surfaces are
cold to the touch.
Radiation (inner) and
vacuum (outer)
window are touching
Adjust windows so they do not touch. For
low working distance setups, the windows
may touch under vacuum, so be sure to
check again after pulling vacuum.
Thermometer not working
Not properly installed
or activated.
Make sure the temperature channel is
enabled. Navigate to MENU >
INSTRUMENT SETTINGS > USER X.
Toggle the Temperature Channel Enabled
switch to the right to enable.
Heater not working
Not properly installed
or activated.
7.2.2 Power and Communication Issues
If the system will not turn on, run commands, or display readouts, check for these common issues:
Problem/Symptom
Possible Cause
Solution/Suggestion
System throws electrical
breaker
Wall power issue
1. Check the wall voltage using an AC
voltmeter (digital multi-meter on the AC
setting) to ensure it is in the defined
ranges for each piece of equipment.
UI screen is black / does
not turn on
Communication issue with
system control unit
1. Make sure all cables and power cords are
connected properly. See Connecting
System Cables and Power on page 32 for
details.
2. Ensure the power switch on the back of
the system control unit is ON ( | ).
3. Ensure the power button on the front
panel is ON (glowing).