Eaton easyE4 Manual page 685

11. Faults
This section provides troubleshooting information for your easyE4 in case it does not
behave as expected.
Fault
The base device will not boot
up
The display stays or turns dark.
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 a
thorough simulation in easySoft 7, the power flow display in the EASY-E4-...-12...C1(P)
device enables you 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 10/19 MN050009 EN www.eaton.com
Cause
There is no supply voltage
The backlight is deactivated.
11. Faults
Remedy
Check the input wiring.
Switch on the device
Turn on the backlight; please
refer to the text function block
description or check the cor-
responding function in the pro-
gram with easySoft 7.
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