IKA RO 15 User Manual
Page 13
13
Error Codes (RT 5/10/15)
Accessories
• Stirring bar:
ø 8mm; lenght 30 mm
• RSE
Stirring bar remover
Error- Cause
Effect
Solution
code
Er 3
Temperature inside device too high
Heating off - Switch off device and allow to cool down
Er 6
Break in safety circuit
Heating off - Plug in contact plug (L)
- Plug in contact thermometer or PT 1000 temperature sensor
- Replace faulty connection cable, plug, or contact thermometer
Er21
Safety relay doesn‘t open during test
- Switch off device
- Warning! Only to be carried out by authorised service personnel:
Check PCB
Er22
Safety temperature is too low during test
Heating off - Switch off device
- Warning! Only to be carried out by authorised service personnel:
Check PCB and safety temperature sensor
Er25
Heating and switching element monitoring Heating off - Check the external temperature controller (f.e. Er 5 ETS-D)
- Switch off device
- Warning! Only to be carried out by authorised service personnel:
Carry out an internal test on the device to check the plug-in connector
for the heating element, the safety temperature sensor or the PCB
Er26
Difference between temperature of safety
Heating off - Switch off device
sensor and temperature of control sensor
- Warning! Only to be carried out by authorised service personnel:
control temperature > (safety tempe-
Carry out an internal test on the device to check the plug-in connector
rature + 40 K)
for the temperature sensor
Er31
Triac error detection doesn‘t work
Heating off - Switch off device
- Warning! Only to be carried out by authorised service personnel:
Check PCB
Er46
Difference between temperature of safety
Heating off - Switch off device
sensor and temperature of control sensor
- Warning! Only to be carried out by authorised service personnel:
control temperature > (control tempe-
Carry out an internal test on the device to check the plug-in connector
rature + 40 K)
for the temperature sensor
If the actions described fail to resolve the fault or another error code is displayed then take one of the following steps:
- Please contact the service department;
- Send the device for repair, including a short description of the fault.