Reference Manual
BLR-CX-R / BLR-CX-T
Rev. 07
2018-07
32
Display
"
Current is higher than
allowed.
Check the current transformer
secondary current and possibly
replace it with matching current
transformer.
Display
"
permanent
over
compensation
permanent
under
compensation
Check settings (possibly step
with step type "FON")
Check contactors, contactor
contact may bonded.
Check capacitors and fuses.
Dimensioning of the system
examined.
Opposite
regulation
behaviour
Current or voltage
connections swapped.
correct connection or adapt
phase compensation.
Individual steps are
not switched on or
off.
wrong setting
Verify whether the steps were
defined as Step type "FON" or
"FOFF" (permanently on or off).
Steps are detected
as defective.
Steps are switched
off again.
Step defective
Check capacitor, possibly fuse,
capacitor or contactor defective.
Steps
are
not
switched.
The steps are to large.
The required reactive power is
below the switching threshold.
Switching threshold is 60% of
the smallest available step.
