Function
18
isoRW425_D00052_03_M_XXEN / 02.2017
Error codes
If, contrary to expectations, a device error should occur, error codes will ap-
pear on the display. Some of these are described below:
Internal device errors E.xx can be caused by external disturbances or internal
hardware errors. If the error message occurs again after restarting the device
or after a reset to factory settings (menu item "FAC") , the device must be
repaired.
Error code Meaning
E.01
PE connection error
The connections E or KE to earth are interrupted.
Action:
Check connection, eliminate error. The error code will be
erased automatically once the error has been eliminated.
E.02
Connection error system (L1/+ , L2/-)
The internal resistance of the system is too high, the con-
nection L1/+ or L2/- to the system is interrrupted or the
DC system being monitored has the wrong polarity at
U
n
> 50V .
Action:
Check connection, eliminate error. The error code will be
erased automatically once the error has been eliminated.
E.05
Measurement technique error/ calibration invalid
For the current software version
E.07
The maximum permissible system leakage capaci-
tance C
e
is exceeded
Action:
Device not suitable for the existing leakage capacitance:
uninstall device.
E.08
Calibration error during the device test
Action:
If the error continues to exist after checking the device
connections, there is an error inside the device.
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