Operating Manual - KLARO GmbH

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Operating Manual for SBR small wastewater treatment systemsDisplayLiquid crystal displayPossible causeRectificationKLbasicKLpluscompletely• No mains voltage isapplied to the modem• No SIM card insertedinto the modem• SIM card is not loggedin into the network• Insert the SIM card into the modem.• Wait until the card has logged in;otherwise, position the antenna in such amanner that reception is possible.8.2. Unusual water levels – rectifying a faultObservation Possible cause RectificationThe water level in theprimary settlementchamber is unusuallyhigh; the water levelin the aeration tank isnormal.Both the water levelin the primarysettlement chamberand the water level inthe aeration tank areunusually high.The plant smells, thetreated wastewater isblurred and/ordiscoloured.• The lift on valve 1 is not driven,• Too short a pump time has been setfor lift 1,• The feed lift is clogged,• The air supply to the feed lift isleaking.• Plant is being run in vacation mode,• Plant is being permanently run incycle pause,• Control settings are incorrect,• The outlet lift is clogged,• The air hose to the outlet lift isleaking,• The flood in the outlet channelprevents the water from draining offthe plant,• Control is defective.• Insufficient air volumes are drawninto the plant,• Unbalanced ventilation due todefective diaphragm unit.• Drive valve 1 in the manualmode and check the function ofthe lift.• Have the time period for valve 1extended by the servicecompany.• Have the primary settlementchamber pumped out and cleanthe lift.• Have the primary settlementchamber pumped out and sealthe hose connections.• Exit the vacation mode (seesection Fehler! Verweisquellekonnte nicht gefundenwerden.).• Have the control settingschecked by skilled maintenancepersonnel.• Have the SBR reactor pumpedout and clean the lift.• Have the SBR reactor pumpedout and seal the hoseconnections.• Await the flood,• Contact the maintenancecompany.• Have the ventilation timeextended by the servicecompany.• Check the ventilation picture,contact the maintenance36KLARO GmbH
Operating Manual for SBR small wastewater treatment systemsObservation Possible cause RectificationVentilation picture isunbalanced and/orlarge air bubbles risesporadically.Solenoid valvesswitch unusuallyloudly.• Diaphragm unit defective,• Sealing on the aerator bar is leaking.• Valve seat of the solenoid valve iscontaminated.company.• Contact the maintenancecompany.• Contact the maintenancecompany.• Unscrew and clean the solenoidvalve.8.3. Possible incidents on solenoid valvesObservationPossible causeArmature does not operate. • Supply voltage has been interrupted or is insufficient,• Solenoid is defective,• Armature is blocked in the contaminated tube area. If the armaturedoes not reach its final position, this can, with an activatedalternating current coil, lead to a failure of the coil within a shortperiod of time (thermal overload),• Nominal voltage and coil voltage are different.Valve does not close. • Armature is blocked!• Nominal voltage is still applied.Valve does not open. • No nominal voltage is applied,• Solenoid is defective,• Nominal voltage and coil voltage are different.Version: 02 / 2013Subject to technical changes!KLARO GmbH 37
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Operating Manual - KLARO GmbH

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