24
E21
Causes
› Safety relay does not open
Effect
› Heating switched off
Solutions
› Switch off the device and switch on again
E23
Causes
› Adjustable safety circuit defective
Effect
› Heating switched off
Solutions
› Switch off the device
› Let the device cool down
› Switch on the device
E24
Causes
› Set safety temperature exceeded
Effect
› Heating switched off
Solutions
› Switch off the device
› Let the device cool down
› Switch on the device
Error code | Causes | Effect | Solutions
E 3
Causes
› Temperature inside the device is too high
Effect
› Heating switched off
Solutions
› Switch off the device
› Let the device cool down
› Switch on the device
E 2
Causes
› In remote operation (PC), no communication between RV 10 and HB digital
› IR connection to RV 10 disconnected
Effect
› Heating switched off
Solutions
› Switch off the device
› Clean the IR interface or remove the objects from around the IR interface
› Switch on the device
E 9
Causes
› Fault in storing the safety circuit set temperatures
› Memory chip (EPROM) defective
Effect
› Heating switched off
Solutions
› Switch off the device
› Let the device cool down
› Switch on the device
Error codes
�
The fault is shown by an error code on the display as following if the error occurs�
Proceed as follows in such cases:
› Turn off the device by using the main switch�
› Carry out corrective measures�
› Restart the device�
