Cole Parmer PolyStat CC1080, Manual

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12. Fault Displays
Display 6 shows the fault message “ XXXX “.
” “ is shown on display 5 .
The heating element and pump are completely switched off.
The following faults are possible:
= Excess temperature
= Pump or motor overloading
= Sensor breakage or short circuit
= Undefined fault
12.1 Excess temperature
The low liquid level protection can be triggered if:
The excess temperature setting is too close to the desired working tempera-
ture
•Increase value slightly according to the procedure made in 10.1.1.
The control function is defective
•Return unit for servicing.
12.2 Pump or motor overloading
The motor or pump is blocked.
It can take 10 minutes, or longer, until the motor temperature to lower enough
so that the unit can be restarted by pressing the reset key 2 . If, after a short
time, the circulator switches off again return the unit for servicing.
12.3 Sensor breakage or short circuit
The sensor must be serviced by a qualified technician. Return the unit for
servicing.
6
2
5
6
2
5