Buchi Rotavapor R-220 Pro Continuous - Troubleshooting Common Error Codes

8 Troubleshooting
71 R-220 Pro Continuous Operation Manual, Version A
Errors and their remedy
Error Additional error indicator on display Possible cause Remedy
E01 Heating bath icon ashes. Bath temp. sensor not connected or
defective.
• Switch o the unit. Wait for the bath
to cool down a little before restart.
Call service if problem is persistent.
E02 Heating bath icon ashes. The bath does not reach the
intended maximum height.
• Lift motor is defective or
blocked.
• Press the “Aerate” button to conrm
the error message.
• Switch o the unit. Check if lift is
blocked.
Call service if problem is persistent.
E03 Drive unit icon ashes. The rotar y drive does not reach the
set sppec value.
• Drive defective or blocked.
• Press the “Aerate” button to conrm
the error message.
• Switch o the unit and check if
drive is blocked, rotate evaporating
ask manually.
Call service if problem is persistent.
E04 n.a. Battery voltage too low.
• PB battery weak or defective.
• Press the “Aerate” button to conrm
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 restar t 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 restar t system for
causal research.
• Exchange valve if defective or run
evaporation without cooling water
valve.
Call service if problem is persistent.