Fronius Primo 4.5-1 Serviceanleitung Seite 96

Code Description
433 Error when assigning dy-
namic addresses
436 Error during power stage
set error communication
437 Internal error handling
problem
438 Error communication prob-
lem
445 Country setup information
incorrect
447 Insulation fault detected
448 Neutral conductor fault
450 No guard controller detect-
ed
451 Memory error in a micro-
controller
96
Behaviour
1. Power stage set could not
communicate with Recerbo
2. Faulty power stage set
3. Faulty Recerbo
1. Power stage set could not
communicate with Recerbo
2. Faulty power stage set
3. Faulty Recerbo
1. Power stage set could not
communicate with Recerbo
2. Faulty power stage set
3. Faulty Recerbo
1. Power stage set could not
communicate with Recerbo
2. Faulty power stage set
3. Faulty Recerbo
1. Country setup information
incorrect
2. Outdated software (e.g. after
PC board replacement)
3. Manual adjustment not pos-
sible in Service menu
4. Faulty Recerbo
1. PV generator grounded
2. Grounding fault on PV gen-
erator
3. Measurement fault on power
stage set
1. No neutral conductor found
2. Incorrect setup
3. Poor contact: wall bracket <-
-> inverter
4. Faulty filter PC board
1. Ribbon cable between pow-
er stage set and filter PC board
faulty or not connected proper-
ly
2. Faulty filter PC board
1. Grid problem
2. Faulty AC guard on filter PC
board
3. Faulty AC guard on power
stage set
Remedy
1. Restart inverter or perform
software update
2. Replace AC PC board
3. Replace Recerbo
1. Restart inverter or perform
software update
2. Replace AC PC board
3. Replace Recerbo
1. Restart inverter or perform
software update
2. Replace AC PC board
3. Replace Recerbo
1. Restart inverter or perform
software update
2. Replace AC PC board
3. Replace Recerbo
1. Perform software update
and reload the country setup
from the Setup menu
2. Perform software update
and reload the country setup
from the Setup menu
3. Check the settings
4. Replace Recerbo
1. Check wiring
2. Check country setup
3. Replace DC PC board; re-
place AC PC board if neces-
sary
1. Check wiring
2. Check country setup
3. Check fixing screws in the
DATCOM area
4. Replace filter PC board
1. Check ribbon cable between
Recerbo and power stage set
2. Replace filter PC board
1. Automatic correction
2. Replace filter PC board
3. Replace AC PC board