8 Troubleshooting
73
R-220 Pro Continuous Operation Manual, Version A
E14 ‘LEVEL 2’ message appears Filling level reached
•
Empty receiving vessel 2 and press
the “Aerate” button to confirm the
error message
•
Check cable and plug of the flow
sensor
•
Exchange sensor if defective or run
evaporation with user controlled
filling level
Call service if problem is persistent
E15
/
E16
/
E17
•
Continuous operation specific error
E26 Heating bath icon flashes Bath temp sensor shortcut
•
Restart the unit
Call service if problem is persistent
E27 Condenser icon flashes
Vapor temp sensor shortcut
•
Switch off the unit Check sensor
cable and plug
•
Exchange sensor if defective or run
evaporation without vapor temp
display
Call service if problem is persistent
E28 Condenser icon flashes
Cooling water temp sensor
shortcut
•
Switch off the unit Check sensor
cable and plug
•
Exchange sensor if defective or run
evaporation without cooling medium
temp display
Call service if problem is persistent
E31 Heating bath icon flashes •
Heating bath runs dry
•
Mechanical safety switch
activated
•
Switch off the unit Let the heating
cool down
•
Refill heating transfer medium at
least to minimum level
•
Reset overtemp safety switch
according to section 8 1
Call service if problem is persistent