EFR4001IP
12720-0713-00
Page
36 / 53
www.ziehl.de
Fault
Cause
Corrective measure
-EEE or EEE appears in the
display
Measurement is above/below range
Measured voltage is too small or
too large; comply with
measurement range
Screen too dark
The display is dimmed after the set
time (
Options -> dimming time
); the
brightness is set too low (
Options ->
dimming time
)
Increase brightness
(
Options -> brightness
)
The device cannot be
configured
Code lock activated
In the event of problems with the
code lock (forgot the code) the
lock can be switched off and the
code reset to 504 when switching
the power on by keeping the key
pressed upward (approx. 4s) until
the message
Code Off
appears.
No access via Ethernet
DHCP is active, but no IP address has
been assigned
Check DHCP server or assign
fixed IP address
Invalid network area
Check the address range of the IP
address and the subnet mask
* Send the device to the factory for repair if the error has not been cleared after a reset.
10
Tips and Tricks
Short periods of time (delay on/off, minimum switch-on time) allow the EFR4001IP a faster response to the
changes and better optimization.
Attention: Some consumers have limited switching frequencies or processes (washing machine) so they must
not be interrupted.
