Julabo Presto Plus LH 47, Руководство по эксплуатации

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9. Troubleshooting guide / Error messages
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ALARM
CODE 14
Whenever the microprocessor electronics registers a failure, a complete
shutdown of the temperature system is performed.
The VFD-Info-Display indicates the cause for the alarm in form of a code.
The alarm light " " illuminates and a continuous signal tone sounds.
CODE 02
Defect temperature sensor in refrigeration circuit.
Repair by authorized JULABO service personnel.
CODE 05
Cable of the working temperature sensor interrupted or short-circuited.
CODE 06
Defect of the working or safety temperature sensor.
Working temperature and safety sensors report a temperature difference of
more than 25 °C.
CODE 07
Other errors (I
2
C-BUS errors)
CODE 12
Error in A/D converter.
CODE 13
Sensor in the internal reservoir >RES< is defect
The safety temperature value lies below the working temperature setpoint.
Set the safety temperature to a higher value.
CODE 14
Safety sensor defect >TANK<
The safety temperature value lies below the working temperature setpoint.
Set the safety temperature to a higher value.
The temperature system is operated without bath liquid, or the liquid level is
insufficient. Replenish the bath tank with the bath liquid.
Tube breakage has occured (insufficient filling level due to excessive bath
liquid pumped out). Replace the tubing and replenish the bath tank with the
bath liquid.
The float is defect (e. g., because damaged in transit). Repair by authorized
JULABO service personnel.
CODE 15
External control selected, but external Pt100 sensor not connected.
CODE 16
Heating circuit interrupted.
CODE 17
Heating circuit short-circuited.
CODE 31
Communication between control module RD and instrument interrupted.