15 Malfunctions/error messages
Renfert
26 / 28
Easyclean MD
Fault
Possible cause
Resolution
Displayed bath temperat-
ure incorrect.
Temperature sensor de-
fective.
• Contact the manufacturer.
Heating not working.
Heating element defect-
ive.
• Contact the manufacturer.
Ultrasonic operation does
not start.
Ultrasonic unit defective.
• Contact the manufacturer.
Display shows
Er
.
Error message.
• Check the error code and rectify the fault;
contact the manufacturer if necessary.
15.2 Fault messages
If a fault occurs, the display shows the type of fault using a symbol or error number.
You can rectify the following faults yourself:
Display
Fault type
Possible remedies
Filling level too low (dry run de-
tected).
Top up fluid. If the symbol continues to be dis-
played, have the heating system repaired.
Temperature limit exceeded.
Switch off the unit and allow it to cool. Disconnect
from mains power if necessary.
Er 21
Max. perm. bath temperature ex-
ceeded.
Switch off the unit and allow it to cool. Disconnect
from mains power if necessary.
Er 40–44
Power supply faulty.
Connect the unit to a socket of a different power
circuit.
Er 47
Controls overheated.
Switch off the unit and allow it to cool.
Table 3:
Error messages
Contact the service centre or the manufacturer in the following cases:
• The measures described here do not remedy the faults.
• The faults recur (repeatedly), even after performing the following measures:
– Disconnect the unit from the mains power, then reconnect and restart the unit after approx.
1 minute.
– The unit has been reset to factory settings.
• The error number displayed is not listed here: Make a note of the error number; the unit must be re-
paired at the factory.
IMPORTANT
Empty the unit completely and clean and disinfect it thoroughly before sending it for re-
pair.
