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3386500a_RETcv_092008:RET contr visc_04 30.09.2008 10:24 Uhr Seite 43 Error code Description Cause Effect Solution Er 12 Temperature sensor plugged in. Heating OFF • Only unplug the temperature sensor when the unit is switched off. Er 13 SAFE TEMP P (Probe) adjustable safety circuit fault. Heating OFF Er 14 Temperature sensor 1, short-circuit • Switch ON and set the SAFE TEMP P to another value. If this clears the fault when the unit is switched on again, you can return to using the previous value. • Check the plug. • Substitute the temperature sensor. Er 15 Temperature sensor 2, short-circuit • Medium temperature sensor 1 or 2 (Pt100 or PT1000) was unplugged during an operating cycle. • Difference between the setpoint and actual values of the adjustable safety circuit for the minimum temperature monitoring. • Short-circuit at temperature sensor plug. • Short-circuit in connecting cable or on temperature sensor. • Short-circuit at temperature sensor plug. • Short-circuit in connecting cable or on temperature sensor. Heating OFF • Check the plug. • Substitute the temperature sensor. Er 16 Temperature sensor 1 has exceeded the SAFE TEMP P (Probe) Heating OFF Er 17 Temperature sensor 2 has exceeded the SAFE TEMP P (Probe). • SAFE TEMP P (Probe) is set at a temperature lower than the actuel temperature on the temperature sensor 1. • SAFE TEMP P (Probe) is set at a temperature lower than the actuel temperature on the temperature sensor 2. • Allow the medium to cool. • Set the SAFE TEMP P (Probe) at a higher temperature • Allow the medium to cool. • Set the SAFE TEMP P (Probe) to a higher temperature Er 21 Fault during heating plate safety test. Fault during heating plate safety test. Fault in SAFE TEMP H (Hotplate) adjustable safety circuit • Safety relay does not open. Heating OFF • S_CHECK cannot generate a higher H_S_TEMP. • Difference between the setpoint and actual values of the adjustable safety circuit for the heating plate tempeture monitoring Heating OFF Er 22 Er 23 092008 Heating OFF Heating OFF Heating OFF • Switch off the unit. Allow it to cool down and then switch on again. • Switch off the unit. Allow it to cool down and then switch on again. • Switch ON in operating mode A and set the SAFE TEMP P to another value. If this clears the fault when the unit is switched on again, you can return to using the previous value. 43
