Micromeritics FlowPrep 060 Operator's Manual page 36

Troubleshooting
What Happened
Gas seems to be leaking
from gas bottle.
No gas flow when the flow
control valve is opened.
4-2
Why
The flow control valves were
left in the open position when
stations were not in use.
The gas flow rate is set too
high.
A flow control valve is
leaking.
Sample material in the gas
delivery tube is blocking gas
flow.
The flexible tubing is twisted.
Gas pressure is set too low.
Gas bottle is empty.
Valve inlet tubing is detached. Check the valve inlet tubing
Flow control valve is
damaged.
FlowPrep 060
What To Do
Keep the flow control valve
closed on all stations that are
not being used for degassing.
Decrease the flow rate by
turning the regulator pressure
control knob clockwise.
Call the appropriate service
personnel.
Clean the gas delivery tube;
replace if necessary. Refer to
Cleaning and Replacing Gas
Delivery Tubes, page 4-5
Remove twist, replace the
flexible tubing if necessary.
Refer to Replacing Flexible
Tubing, page 4-6.
Increase the flow rate by
turning the regulator pressure
control knob clockwise.
Replace the gas bottle.
connections. Refer to
Connecting or Replacing
Valve Inlet Tubing, page 4-7.
Call the appropriate service
personnel.
May 2010