2.7 Trouble shooting - LEDsEach module has the LEDs RUN and MF on its front side. Errors or incorrect modulesmay be located by means of these LEDs.In the following illustrations flashing LEDs are marked by ☼.Behaviour: After PowerON the RUN LED of each module is off and the MF LED of eachmodule is sporadically on.Reason: The maximum current for the electronic power supply is exceeded.Remedy: As soon as the sum current of the electronic power supply is exceeded, alwaysplace the power module 007-1AB10.Ä Chap. 2.5.3 ‘Wiring power modules’ page 22Behaviour: After PowerON the MF LED of one module respectively more modulesflashes. The RUN LED remains off.Reason: At this position a module is placed, which does not correspond to the configuredmodule.Remedy: Match configuration and hardware structure.Behaviour: After PowerON all of the RUN LEDs up to the defective module are flashing.With all following modules the MF LED is on and the RUN LED is off.Reason: The module on the right of the flashing modules is defective.Remedy: Replace the defective module.GeneralSum current of the elec-tronic power supplyexceededError in configurationModule failureVIPA System SLIO Basics and mountingTrouble shooting - LEDsHB300 | IM | 053-1EC01 | en | 18-49 31