Maintenance And Cleaning; Accessories; Error Codes - IKA RET basic Mode D'emploi

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This activates or deactivates the two-point controller (2P) for the external PT 1000
temperature sensor (2P appears on the display).
When switching on the device, 2P is also displayed next to the operating mode
A/B when the two-point controller is activated.
When the heating function is active in 2P mode, (with external PT 1000 tempera-
ture sensor) the actual temperature flashes - that notifies the user that the process
temperature has been greatly overshot!

Maintenance and cleaning

The device is maintenance-free. It is only subject to the natural wear and
tear of components and their statistical failure rate.
Cleaning
- For cleaning disconnect the mains plug!
- Use only cleaning agents which have been approved by IKA to clean
IKA devices.
These are water (with tenside) and isopropanol.
- Wear protective gloves during cleaning the devices.
- Electrical devices may not be placed in the cleansing agent for the pur-
pose of cleaning.
- Do not allow moisture to get into the device when cleaning.
- Before using another than the recommended method for cleaning or
decontamination, the user must ascertain with IKA that this method
does not destroy the device.
Ordering spare parts
When ordering spare parts, please give:
- Machine type
- Manufacturing number, see type plate
- Item number and designation of the spare part,
see www.ika.com.
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Repair
Please send instrument in for repair only after it has been cleaned
and is free from any materials which may constitute a health ha-
zard.
For this you should request the "Safety Declaration (Decontaminati-
on Certificate)" from IKA, or use the download printout of it from the
IKA website www.ika.com.
Return the instrument in its original packaging. Storage packaging is not suf-
ficient. Also, please use suitable shipping package materials.

Accessories

• Stirring bars:
ø 6 mm, length upto 15 mm
ø 7 mm, length upto 60 mm
ø 10 mm, length upto 80 mm
• RS 1
Set of magnetic stirring bars
• RSE
Stirring bar remover
• H 16 V
Support rod
• H 16.3
Extension
• H 38
Holding rod
• H 44
Cross sleeve
• ETS-D5
Contact thermometer
• ETS-D6
Contact thermometer
for further accessories see www.ika.com

Error codes

Any malfunctions during operation will be identified by an error
message on the display (E and F).
Proceed as follows in such cases:
Error 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
- Switch off device
Motor off
- Warning! Only to be carried out by authorized service personnel:
E5
No temperature increase in sensor at
Heating off - Place the sensor in the medium
continuous temperature difference
- 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
Heating off - Switch off device until the surface temperature of the base plate is lower than the
control sensor):
of the base plate is higher than the set
- Set a higher safe temperature limit
safe temperature limit
E44
Surface temperature (temperature of
Heating off - Switch off device until the surface temperature of the base plate is lower than the
safety sensor):
of the base plate is higher than the set
- Set a higher safe temperature limit
safe temperature limit
E25
Heating and switching element monitoring Heating off - Switch off device
- Set the safe temperature limit > 55 °C
- Warning! Only to be carried out by authorized service personnel: Carry out an internal
E26
Difference between temperature of safety
Heating off - Switch off device
sensor and temperature of control sensor
- Warning! Only to be carried out by authorized service personnel:
control temperature > (safety tempera-
ture + 40 K)
E46
Difference between temperature of safety
Heating off - Switch off device
sensor and temperature of control sensor
- Warning! Only to be carried out by authorized service personnel:
safety temperature > (control tempera-
ture + 40 K)
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.
 Switch off device using the main switch (A)
 Carry out corrective measures
 Restart device
Carry out an internal test on the device to check the plug-in connector for the
motor
selected safe temperature limit
selected safe temperature limit
see also "Functional check of inactivating the safety circuit"
test on the device to check the plug-in connector for the heating element
Carry out an internal test on the device to check the plug-in connector for the
temperature sensor
Carry out an internal test on the device to check the plug-in connector for the
temperature sensor
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