BUCHI Rotavapo R-220 SE - Manual (Page 82)

8 Troubleshooting
82 R-220 SE Operation Manual, Version F
Error Addition error indicator on display Possible cause Remedy
E12 ‘FLOW’ message appears. Cooling medium flow insufficient. • Increase cooling water flow and
press the “Aerate” button to confirm
the error message.
• Adjust sensor.
• Check cable and plug of the flow
sensor.
• Exchange sensor if defective or run
evaporation without flow sensor.
Call service if problem is persistent.
E13 ‘LEVEL 1’ message appears. Filling level reached. • Empty receiving vessel 1 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.
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.
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.