15Error messageAny malfunctions during operation will be identified by an error message on the display (D), see fig. 5.Proceed as follows in such cases: Switch off device using the main switch (B) Carry out corrective measures Restart deviceError message Cause Effect CorrectionE 2 - In remote operation (PC), no communication Heating off - Switch off the devicebetween RV 10 and HB 10 - Clean the IR interface or- IR connection to RV 10 disconnected remove objects from around the IRinterface- Switch on the deviceE 3 - Temperature inside the device is too high Heating off - Switch off the device- Let the device cool down- Switch on the deviceE 9 - Fault in storing the safety circuit set Heating off - Switch off the devicetemperatures - Let the device cool down- Memory chip (EPROM) defective - Switch on the deviceE 21 - Safety relay does not open Heating off - Switch off the device and switch on againE 23 - Adjustable safety circuit defective Heating off - Switch off the device- Let the device cool down- Switch on the deviceE 24 - Set safety temperature exceeded Heating off - Switch off the device and switch on again- Let the device cool down- Switch on the device- Check the safety temperaturesettingE 25 - The heater control circuit switch (TRIAC) is Heating off - Switch off the device and switch on againfaulty. The heater or the supply line isdisconnected.E 26 - Dry running Heating off - Let the device cool down- Fill up the tempering medium- Switch off the device and switch on againE 27 - Error in calibration Heating off - Switch off the device and switch on againE 28 - Breakage of the controller sensor Heating off - Switch off the device and switch on againE 29 - Short-circuit in the safety sensor Heating off - Switch off the device and switch on againE 30 - Short-circuit in the controller sensor Heating off - Switch off the device and switch on againE 31 - Breakage of the safety sensor Heating off - Switch off the device and switch on againE 32 - Temperature deviation is too big Heating off - Switch off the device and switch on againIf the actions described fail to resolve the fault or another error code is displayed then take one of the following steps:- contact the IKA® service department,- send the device for repair, including a short description of the fault.HB 10.1 Spray guardAccessoriesHB 10.2 Cover (incl. spray guard)