12. Faults12. FaultsThis section provides troubleshooting information for your easyE4 in case it does notbehave as expected.Fault Cause RemedyThe base device will not bootupThere is no supply voltage Check the input wiring.Switch on the device.The display stays or turns dark. The backlight is deactivated. Turn on the backlight; pleaserefer to the text function blockdescription or check the cor-responding function in the pro-gram with easySoft 7.If a easyE4 device does not behave as expected, the following tips can help you in rec-tifying any possible problems. If a program does not function as expected, in spite of athorough simulation in easySoft 7, the power flow display in the easyE4 display enablesyou to test the logic operations of the circuit diagram.Only qualified persons should test electrical voltages while the easyE4 device is in oper-ation.easyE4 11/18 MN050009 EN www.eaton.com 567
