21
Error codes
If the actions described fail to resolve the fault or another error code is displayed then take one of the following steps:
- Contact the service department,
- Send the device for repair, including a short description of the fault.
Any malfunctions during operation will be identified by an error
message on the display (E and F).
Proceed as follows in such cases:
) Switch off device using the main switch (A)
) Carry out corrective measures
) Restart device
E
rror code Cause Effect Solution
E3 Temperature inside device too high Heating off - Switch off device and allow to cool down
E4 Motor blockage Heating off
Motor off
- Switch off device
- Warning! Only to be carried out by
authorized
service personnel:
Carry out an internal test on the device to check the plug-in connector for the
motor
E5 No temperature increase in sensor at
continuous temperature difference
Heating off - Place the sensor in the medium
- Reduce the volume of the media
- Use a carrier fluid with better heat conductivity properties
- Replace the glass vessel with a metal pot
- Increase the “Time-out” period
E6 Break in safety circuit Heating off - Plug in contact plug (L)
- Plug in PT 1000 contact thermometer / temperature sensor
- Replace faulty connecting cable, plug, or contact thermometer
E24 Surface temperature (temperature of
control sensor):
of the base plate is higher than the set
safe temperature limit
Heating off - Switch off device until the surface temperature of the base
plate is lower than the
selected safe temperature limit
- Set a higher safe temperature limit
E44 Surface temperature (temperature of
safety sensor):
of the base plate is higher than the set
safe temperature limit
Heating off - Switch off device until the surface temperature of the base plate is lower than the
selected safe temperature limit
- Set a higher safe temperature limit
E25 Heating and switching element monitoring Heating off - Switch off device
- Set the safe temperature limit > 55 °C
see also ”Functional check of inactivating the safety circuit”
- Warning! Only to be carried out by
authorized
service personnel: Carry out an internal
test on the device to check the plug-in connector for the heating element
E26 Difference between temperature of safety
sensor and temperature of control sensor
control temperature > (safety tempera-
ture + 40 K)
Heating off - Switch off device
- Warning! Only to be carried out by
authorized
service personnel:
Carry out an internal test on the device to check the plug-in connector for the
temperature sensor
E46 Difference between temperature of safety
sensor and temperature of control sensor
safety temperature > (control tempera-
ture + 40 K)
Heating off - Switch off device
- Warning! Only to be carried out by
authorized
service personnel:
Carry out an internal test on the device to check the plug-in connector for the
temperature sensor
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