Buchi Rotavapo R-220 SE User Manual download pdf (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.

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