Fronius Symo 10.0-3 208-240 Instructions De Service page 51

Code Description
443 Intermediate circuit voltage too low or
unsymmetrical
- Compatibility error (e.g.,due to a PC
445 board replacement)
- Invalid power module configuration
447 Insulation fault
450 No guard found
451 Memory error detected
Communication error between proces-
452
sors
453 Grid voltage and power module do not
match
454 Grid frequency and power module do not
match
456 Anti-islanding function has stopped run-
ning properly
457 Grid relay stuck
458 Error during measuring signal detection
Error during measuring signal detection
459
for insulation test
Reference power source for the digital
460 signal processor (DSP) is operating out-
side of tolerances
461 Error in DSP data memory
462 Error in DC feed-in monitoring routine
463 AC polarity reversed, AC connector
plugged in incorrectly
474 RCMU sensor faulty
475 Insulation error (connection between so-
lar module and ground)
476 Supply voltage for driver too low
480, Function incompatibility (one or more PC
481 boards in the inverter are not compatible
with each other, e.g.,after PC board re-
placement)
482
Setup interrupted after initial commis-
sioning
483 Voltage U
DCfix
of valid range
485
CAN transmission buffer is full
*) If status code persists: Contact a Fronius-trained service technician
**) If this status code keeps recurring, contact your system installer
for MPP2 string is outside
Behavior
Inverter does not feed ener-
gy into the grid.
Inverter does not feed ener-
gy into the grid.
Inverter does not feed ener-
gy into the grid.
The inverter will automati-
cally attempt to connect
again and, if possible, re-
sume feeding energy into
the grid
Inverter does not feed ener-
gy into the grid.
Inverter does not feed ener-
gy into the grid.
Inverter does not feed ener-
gy into the grid.
Inverter does not feed ener-
gy into the grid.
Inverter does not feed ener-
gy into the grid.
Inverter does not feed ener-
gy into the grid.
Remedy
*)
Update inverter firm-
ware; *)
*)
*)
*)
**)
Update inverter firm-
ware; *)
Restart setup after AC
reset (switch automatic
circuit breaker off and
on)
Check MPP settings; *)
Carry out AC reset
(switch automatic circuit
breaker off and on); *)
49