NEW BRUNSWICK SCIENTIFIC BioFlo 4500, Manual To Operations

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BioFlo 4500 M1254-0050 User’s Guide
204
Symptom Possible Cause Solution
No power indicator
on fermentor
console
No power to fermentor console. Verify power cord connections.
Verify power switch operation.
Contact local NBS Service Dept.
Unit fails to
communicate with
BioCommand .
Incorrect Multidrop (Unit ID)
Address assigned to Controller
in
BioCommand .
Conflicting Multidrop (Unit ID)
Address with other equipment
in
BioCommand .
Controller software
configuration deleted due to
battery backup and power
failure.
Verify that a single Node Number
(Unit ID or Multidrop Address)
value of 0 through 19 has been
assigned to the Controller.
Assign a new Unit ID to equipment
and verify that a single Node
Number (Unit ID or Multidrop
Address) value of 0 through 19
has been assigned to the
Controller.
Verify that the Controller
configuration has been saved and
reload the configuration into the
software.
Poor loop control Incorrect loop configuration.
Sensors and probes
miscalibrated.
Agitation loop Confirm proper configuration
settings and connections.
Recalibrate probes and sensors.
See Below
Inaccurate agitation
loop readings
Cable connections may be
loose.
Check cable connections. If all
connections are firmly seated,
replace speed sensor.