Multifors 2 - Parallel Bench-top Bioreactor
Interferences
Page
202
of
211
28 March 2018
10.2 Interferences Temperature Control System
Interferences
No temperature control.
Possible cause
Remedy
By
Parameter
Temperature
is not acti-
vated.
Activate the parameter.
Operator
Parameter
Stirrer
is not activated.
Activate the parameter.
Operator
Interference
No heating or inadequate heating: thermal block in the basic unit does not get hot even with a high temper-
ature set point
Possible cause
Remedy
By
Thermal block has overheated
(automatic over-temp.cut out.)
Wait for unit to cool. Mechanical
cut out in basic unit should re-set automatically.
Operator
Interference
No cooling or inadequate cooling.
Possible cause
Remedy
By
No water supply or inadequate flow. Check the water supply and turn the supply tap if
necessary.
Operator
Incorrect Negative factor in option
PID
of parameter
Temperature
Check Negative factor: Value must be positive. Ad-
just as necessary.
Operator
Interference
Temperature fluctuations
Possible cause
Remedy
By
Incorrect PID settings parameter
Temperature
Check PID settings and adjust as necessary, espe-
cially
P-term
.
Operator
