NEW BRUNSWICK SCIENTIFIC BioFlo 415, Manual To Operations

Page: 125 / 164

113
New Brunswick Scientific User’s Guide
1
1
9
9
S
S
E
E
R
R
V
V
I
I
C
C
E
E
If any problems occur with your BioFlo 415 system or its individual components, do not
attempt to perform any service on it. Unauthorized servicing may void the warranty. Please
contact your local NBS Service Department or your local NBS distributor.
In any correspondence with NBS, please refer to the Model Number (BioFlo 415), and the
Manufacturing Part Number and Serial Number of the unit.
19.1 Troubleshooting
WARNING!
Always turn your BioFlo 415 off and disconnect the power cord before
performing maintenance.
As with any equipment, difficulties sometimes arise. If you experience a problem with
the operation of your BioFlo 415, consult the following list of symptoms. You may be
able to resolve the situation easily and quickly yourself.
If the problem is not listed below, or if the suggested solutions do not work, please call
your NBS representative to request a service technician.
Other than the solutions
proposed below, do not attempt to fix the equipment yourself.
Problem Possible Solution
TEMPERATURE:
Readout is a negative value
(typically –225° C). •
Inspect the temperature probe for obvious damage;
replace it if necessary.
•
Make sure the temperature probe is connected to the
cabinet connector.
The unit will not heat up.
•
Make sure the unit was primed at start-up.
•
Make sure the temperature probe is placed in the
vessel thermowell.
•
Water pressure may be too low; raise pressure within
recommended range.
•
Verify correct connection (click to lock) of the water
inlet and outlet lines on the vessel heat exchanger.
The unit is leaking water. •
Check for any loose connection of inlet hoses; tighten
if necessary.
...continued...