Class 4 Status Codes - Fronius Primo 3.0-1 Instructions De Service

Class 4 status Some of the class 4 status codes necessitate intervention by a Fronius-trained service en-
codes gineer.
Code Description
No communication with power
401
stage set possible
Power stage set temperature
406
sensor faulty
Internal temperature sensor
407
faulty
DC feeding into the grid detect-
408
ed
Fixed voltage mode has been
selected instead of MPP volt-
412 age mode, and the fixed volt-
age has been set to too low or
too high a value.
Safety cut-out via option card
415
or RECERBO has triggered
No communication possible
416 between power stage set and
control system.
417 Hardware ID problem
419 Unique ID conflict
421 HID range error
No communication possible
425
with the power stage set
426 -
Possible hardware fault
428
431 Software problem
436 Functional incompatibility (one
or more PC boards in the in-
verter are not compatible with
each other, e.g. after a PC
board has been replaced)
437 Power stage set problem
Functional incompatibility (one
or more PC boards in the in-
438 verter are not compatible with
each other, e.g. after a PC
board has been replaced)
Intermediate circuit voltage too
443
low or asymmetric
46
Behaviour
The inverter will automatically
attempt to connect again and,
if possible, will resume feeding
energy into the grid
-
The inverter is not feeding any
energy into the grid.
The inverter will automatically
attempt to connect again and,
if possible, will resume feeding
energy into the grid
The inverter is not feeding any
energy into the grid.
The inverter will automatically
attempt to connect again and,
if possible, will resume feeding
energy into the grid
The inverter will automatically
attempt to connect again and,
if possible, will resume feeding
energy into the grid
The inverter is not feeding any
energy into the grid.
Remedy
If the status code is displayed
all the time: notify a Fronius-
trained service engineer
If this status code keeps recur-
ring, contact your system engi-
neer
If the status code is displayed
all the time: notify a Fronius-
trained service engineer
Carry out an AC reset (switch
the automatic circuit breaker
off and on); update inverter
firmware;
if this status code is displayed
all the time: notify a Fronius-
trained service engineer
Update the inverter firmware;
if the status code is displayed
all the time: notify a Fronius-
trained service engineer
Update the inverter firmware;
if the status code is displayed
all the time: notify a Fronius-
trained service engineer
If the status code is displayed
all the time: notify a Fronius-
trained service engineer