IKA RET control/t, Руководство по эксплуатации

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022009
­­43
Error code Description Cause Effect Solution
Er 1 In operating mode A; temperature • When the unit was switched on in The heating remains • Switch off the unit, plug in the tempera-
sensor not plugged in the mode A, the temperature sensor switched off ture sensor, switch on the unit
was not plugged in • Switch over the operating mode
Er 2 In remote operation (PC), with • PC does not send any data during Heating OFF • Change the watchdog time.
watchdog funktion 1 enabled: the watchdog time. Motor OFF • Send data from the PC within the
No communication between PC • The connection/cable to the PC is watchdog time (OUT_WDx@m).
and RET control / t broken. • Check the connector cable and plug.
Er 3 Temperature inside unit is higher • Build up of heat between the heating Heating OFF • Switch off the unit. Allow it to cool down
than 80 °C plate and the casing. and then switch on again.
• Permitted ambient temperature has • Change test process.
been exceeded. • Restore ambient temperature to within
the permitted maximum.
Er 4 Difference between setpoint and • Motor seized or overloaded. Heating OFF • Reduce the torque load, e.g. use smaller
actual speeds is greater than Motor OFF magnetic bars.
300 rpm. • Reduce the setpoint speed.
Er 5 No temperature increase measured • Sensor not in medium. Heating OFF • Immerse the sensor in the medium.
by temperature sensor where • Volume of heat transfer medium • Reduce medium volume.
temperature difference remains the too large. • Use a heat transfer oil with a better heat
same (after approx. 3 minutes). • Medium heat transfer rating is too low. transfer rating.
• Heat temperature rating of the vessel. • Use a metal vessel in place of a glass
is too low. vessel.
• With indirect heating the total heat
transfer resistance is too high.
Er 8 The calibration value of the tempe- • Fault in calibration procedure. Heating OFF • Repeat the calibration procedure.
rature sensor is outside the limit • Value was incorrectly stored to memory.
value. • EEPROM switching error.
Er 9 Fault storing the safety circuit set- • EEPROM fault Heating OFF • Switch off the unit. Allow it to cool down
point temperatures. and then switch on again.
Er 11 Temperature sensor unplugged. • Medium temperature sensor 1 or 2 Heating OFF • Only unplug the temperature sensor
(PT 100 or PT 1000) was unplugged when the unit is switched off.
during an operating cycle.
16.1 Troubleshooting, Error messages, causes and solutions