Hirschmann Opus Dispenser, Instruction Manual

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17.2 Other problems – solutions
If the unit can no longer be operated, it can be deactivated by pressing and holding (approx. 10 s) in the upper right-hand
corner of the touch screen (battery symbol position) for a longer period. All changes realized since the last activation are
lost as a result, so this function should only be used in emergencies.
Problem Reason Solution
Liquid emerges from the gap between - Valves loose or damaged - Tighten the valves firmly with the
the suction, ejection or recirculation assembly wrench or replace if necessary.
valve and valve block Warning: the suction, ejection, and
recirculation valve should be
tightened firmly with the assembly
wrench after sterilisation.
Liquid emerges between the ejection - Ejection unit loose or damaged - Mount original ejection unit correctly.
valve and ejection unit
- Incorrect ejection unit - Use only original ejection unit.
Unit is suctioning in air - Unit not vented - Vent unit.
- Suction hose loose - Tighten suction hose firmly.
- Suction hose and/or union nut - Replace suction hose.
damaged