ABB OmniCore E10 Product Manual

6.2.2 Start-up failureDescriptionThe following are possible symptoms of a start-up failure:1 The LEDs are not lit on some units.2 Unable to load the system software.Required test equipmentEquipment needed for troubleshooting:NoteEquipmentMultimeterInsulating gloves3HAC076810-008Circuit diagram - OmniCore E10PreparationsActionMake sure that the controller is switched on.1Wait 30 s - 1 min to enable start-up sequence.Check the FlexPendant for errors and warnings.2DANGERTroubleshooting on the controller while powered on must be performed by personneltrained by ABB or by ABB field engineers.Detailed working procedureNoteActionFor more details about the LEDs,see Troubleshooting the computerand logic unit on page 193.Look at the computer and logic unit status LEDComputer.1For more details about the LEDs,see Troubleshooting the power uniton page 191.Look at the power unit status LED.2For more details about the LEDs,see Troubleshooting the drive uniton page 188.Look at the drive unit status LED.3If the problem remains, contact ABB.4TipFor more details, see Circuit diagram - OmniCore E10.Product manual - OmniCore E10 1713HAC079399-001 Revision: C© Copyright 2019-2022 ABB. All rights reserved.6 Troubleshooting6.2.2 Start-up failure