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8 .3 resettable automatic system fuses – BUCHI Rotavapo R-220 SE User Manual

Page 84

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8 Troubleshooting

84

R-220 SE Operation Manual, Version F

Error

Addition error indicator on display

Possible cause

Remedy

E50 ‘RECORD’ message flashes. No USB pendrive inserted or recog-

nized.

• Insert valid pendrive.

• Alternatively: Press “Record” button

to disable recording function.

Call service if problem is persistent.

E51 n.a.

No free memory on USB pendrive.

• Empty pendrive.

Call service if problem is persistent.

E52 n.a.

Write error on USB pendrive.

• Exchange pendrive.

Call service if problem is persistent.

E53 n.a.

Inserted USB pendrive is write
protected.

• Disable write protection.

• Alternatively: Exchange pendrive.

Call service if problem is persistent.

E54 n.a.

Inserted USB pendrive is write
protected.

• Disable write protection.

• Alternatively: Exchange pendrive.

Call service if problem is persistent.

Other error situations
In case the temperature reading at the display for vapor or cooling water is missing, check the
respective sensor cable and plug. Exchange a defective sensor and call service if the problem is
persistent.

8 .3

Resettable automatic system fuses

Fuse triggered

Fuse ok

F1 — F4 (12A, 250V)

Resetting a system fuse
• Switch off the Rotapavor
• Push in the fuse for reset
• Switch on the Rotavapor

NOTE
Device fuses may be triggered occasionally due to voltage peaks under high system load. When
fuses trigger frequently, inform your customer service! Do not try to repair the fuses!