System-disconnection relay EU400 NA-protection
37
Subject to technical changes
Troubleshooting and measures
Error
Cause
Remedy
8
EEEE
8
or
8
-EEE
8
appears in the display
Measurement is above/below
range
Measured voltage, frequency or the vector
surge is too large or too small; comply with
measurement range
8
Err4
8
appears in the
display
Tolerance error, internal
measurement value deviation
of both channels
Perform a reset
→
interrupt control voltage for
>5s
*
8
Err5
8
appears in the
display
Error internal interface
8
Err6
8
appears in the
display
Communication error, internal
interface
8
Err7
8
appears in the
display even after 2
automatic repeated
trials of switching on +
LED
K1 and/or K2
is
flashing
Error feedback contacts,
switches not connected
correctly or broken or
switches are controlled from
other device
Feedback contacts not connected
- set
8
rel .
8
→
8
trel.
8
→
8
oFF
8
Feedback contacts connected
- check the correct connection
- Adjust the turn-on time under
8
rel .
8
→
8
trel.
8
greater then the switch-on time of the switcher
- Perform a reset
→
press Set/Reset
for >2 s
8
Err8
8
appears in the
display
Hysteresis error
Upper threshold value must be higher than the
lower threshold value, check the threshold
values
8
Err9
8
appears in the
display
Parameter error
Reset to factory settings, see “Program setup” *
A time expires in the
display
Always when an OFF-delay
time
8
doF
8
is running, it is
counted down in the display
(shortest one first)
Wait until the time has expired (depending on
the setting, several times may elapse one after
the other)
Device cannot be
configured / only the
limits can be
configured
Code lock / Sealing activated
If there are any problems with the code lock
(pin forgotten), the lock can be switched off and
the pin can be reset to 504 by keeping the Set
key pressed while switching on the mains until
8
Code
8
/
8
oFF
8
appears in the display.
Implausible voltage
values
Pr selected with N, but N not
connected
Select Pr without N or connect N
8
Loc
8
appears in the
display
Seal is active
See Sealing
8
Code
8
appears in the
display
Code lock is active
See „Code lock“
8
StbY
8
appears in the
display
Standby mode, E1-E2 closed
Check parameter
8
uSr.
8
8
Al
8
and LED Q3 (f>)
is on, reading in good
range
hysteresis for
8
F¯
8
incorrectly
Check hysteresis for reset point
>50 Hz
8
noY1
8
or
8
noY2
8
appears in the display
Feedback contact not
connected or switch does not
switch
Check the connection and function of the
switch.
Its normal in Pr2 at Test 2
8
noY2
8
.
*
If the error cannot be patched by a reset, send back to factory for repair.
