Fronius Primo 3.8-1 208-240 Operating Instructions Manual page 46

Code Description
431 Software problem
Function incompatibility (one
or more PC boards in the in-
436 verter are not compatible with
each other, e.g.,after PC board
replacement)
437 Power module problem
Function incompatibility (one
or more PC boards in the in-
438 verter are not compatible with
each other, e.g.,after PC board
replacement)
Intermediate circuit voltage too
443
low or unsymmetrical
Limit value setting not permit-
445
ted
447 Insulation fault
Neutral conductor not connect-
448
ed
450 No guard found
451 Memory error detected
Communication problem be-
452
tween processors
453 Brief grid voltage error
454 Brief grid frequency error
456 Anti-islanding function has
stopped running properly
457 Grid relay stuck
Error receiving measuring sig-
459
nal for the insulation test
Reference power source for
the digital signal processor
460
(DSP) is operating outside of
tolerances
461 Error in DSP data memory
462 Error in DC feed-in monitoring
routine
463 AC polarity reversed, AC con-
nector plugged in incorrectly
44
Details
Inverter does not feed energy
into the grid.
The inverter will automatically
attempt to connect again and,
if possible, resume feeding en-
ergy into the grid
The inverter will automatically
attempt to connect again and,
if possible, resume feeding en-
ergy into the grid
Inverter does not feed energy
into the grid.
Inverter does not feed energy
into the grid for safety reasons.
The inverter will automatically
attempt to connect again and,
if possible, resume grid power
feed operation.
Inverter does not feed energy
into the grid.
Rectification
Carry out AC reset (switch au-
tomatic circuit breaker off and
on); update inverter firmware;
If status code persists: contact
a Fronius-trained service tech-
nician.
Update inverter firmware;
If status code persists: contact
a Fronius-trained service tech-
nician.
Update inverter firmware;
If status code persists: contact
a Fronius-trained service tech-
nician.
If status code persists: contact
a Fronius-trained service tech-
nician.
Update the inverter firmware.
If status code persists: contact
a Fronius-trained service tech-
nician.
If this status code keeps recur-
ring, contact your system in-
staller.
If status code persists: contact
a Fronius-trained service tech-
nician.
If status code persists:
contact a Fronius-trained ser-
vice technician.