Samson 611 Mounting And Operating Instructions

Samson 611 Mounting And Operating Instructions Manual pdf 39 page image

EB 6116 EN 39Malfunctions8 MalfunctionsDepending on the operating conditions, check the valve at certain intervals to prevent a pos-sible failure before it can occur. Operators are responsible for drawing up an inspection andtest plan.SAMSON's After-sales Service can support you in drawing up an inspection and test planfor your plant.Table 5: TroubleshootingMalfunction Possible reasons Corrective action to betaken CommentsNo output signaldespite changing theinput signalSupply air missing or notconnected.Check the supply air. Seesection 5.4. –Incorrect terminalassignmentConnect + and –terminals correctly. Seesection 5.3.NOTICEi/p converter does notneed any extra voltage!Do not connect 24 V DC.Incorrect input signal Connect correct signal.Read nameplate:0 to 20 mA or4 to 20 mA.Restrictor clogged up. Clean the restrictor (seesection 7.1). –Output signal does notchange proportionallyinto the input signal.Poor air quality. Contact SAMSON'sAfter-sales Service.Make sure that the airquality complies with therequirements (seesection 3.2).Check the air filter andseparator installed in theupstream air reducingstation regularly.Mechanics stuck (e.g.due to mechanicalshock).Contact SAMSON'sAfter-sales Service. –Sintered filter in SUPPLYand OUTPUT connectionclogged up with dirt.Clean or exchangesintered filter. –Tip