Buchi Interface I-100 Manuel d'utilisateur télécharger pdf (Page 31)

BÜCHILabortechnikAG Helpwithfaults|8

OperationManualInterfaceI100 31/42

8 Helpwithfaults

8.1 Faults,possiblecausesandremedies

Fault Possiblecause Remedy

Devicedoesnot

work

Deviceisnotconnectedto

powersupply

u Checkpowersupply(see

Chapter5.2"Connections",

page18).

Valveorpump

frequently

switchesover

Systemleaking u Checksystemforleaks(see

Rotavaporoperatinginstruc

tions).

u Ifnecessary,replacetubing

and/orseals.

Hysteresissettingtoosmall u Selectalargerhysteresis

(forterminalvacuums

greaterthan700mbar,setto

automatichysteresis;see

Chapter6.2.1"Manual

mode",page23).

Valvedoesnot

switchover

Valvecoildirty u ContactBUCHICustomer

Service.

Valveleadnotpluggedin u Pluginvalvelead.

Valvenotadjusted u ContactBUCHICustomer

Service.

Vacuumisnot

achieved

Backevaporationfromthere

ceivingflask

u Emptyreceivingflask(see

Rotavaporoperatinginstruc

tions).

Systemleaking u Checksystemforleaks(see

Rotavaporoperatinginstruc

tions).

u Ifnecessary,replacetubing

and/orseals.

Waterpressureofglassfilter

pumptoolow

u Increasewaterflow(see

pumpoperatinginstructions).

Vacuumpumptooweak u Usesuitablydimensioned

vacuumpump.

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Buchi Interface I-100 Manuel d'utilisateur Page 31

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