BUCHI Rotavapo R-220 SE - Manual (Page 81)

8 Troubleshooting
81 R-220 SE Operation Manual, Version F
Error Additional error indicator on display Possible cause Remedy
E03 Drive unit icon flashes. The rotary drive does not reach the
set sppec value.
• Drive defective or blocked.
• Press the “Aerate” button to confirm
the error message.
• Switch off the unit and check if
drive is blocked, rotate evaporating
flask manually.
Call service if problem is persistent.
E04 n.a. Battery voltage too low.
• PB battery weak or defective.
• Press the “Aerate” button to confirm
the error message.
• Switch on the system over night to
allow recharging of the battery.
Call service if problem is persistent.
E05 n.a. Hardware malfunction. • Restart the unit.
Call service if problem is persistent.
E06 n.a. Shortcut at aeration valve. • Unplug valve and restart system for
causal research.
• Exchange valve if defective or run
evaporation with manual aeration.
Call service if problem is persistent.
E07 n.a. Shortcut at cooling water valve. • Unplug valve and restart system for
causal research.
• Exchange valve if defective or run
evaporation without cooling water
valve.
Call service if problem is persistent.
E08 n.a. Shortcut at vacuum valve. • Unplug valve and restart system for
causal research.
• Exchange valve if defective.
Call service if problem is persistent.
E11 ‘SHIELD OPEN’ message
appears.
Shield not closed at the time of
flask rotation start. • Close bath shield.
• Press the “Aerate” button to confirm
the error message.
Call service if problem is persistent.