Fronius Primo serie Serviceanleitung, Ersatzteilliste Seite 102

Code Description
462 Error detected when moni-
toring DC deceleration
463 AC pole reserved
472 Fuse for solar module
ground faulty
474 RCMU sensor fault
475 Insulation fault detected
476 Internal power supply miss-
ing
480 Power module and display
software incompatible
481 Recerbo has old software
version
482 Inverter switched off during
commissioning
483 Set DC2 fixed voltage out-
side of the permitted MPP
range
484–485 Error during data transfer
102
Behavior
1. Occurs once
2. Monitoring of DC decelera-
tion faulty
1. AC connection between
power module and filter PC
board established in incorrect
direction (L1 and L2 mixed up)
1. Faulty fuse for solar module
ground
2. Incorrect setting in basic ser-
vice menu
1. Quick irradiation change
2. Sensor faulty
1. Incorrect setting
2. Grounding fault PV genera-
tor
3. Measurement circuit on
power module defective
1. Grid voltage too low
2. Grid test time is too low
3. Missing internal power sup-
ply
4. Missing internal power sup-
ply
1. Old power module/display
software
2. Old software
3. Incompatible hardware com-
bination
1. Old Recerbo software
2. Old software
3. Incompatible hardware com-
bination
1. Startup process not suc-
cessful
1. Incorrectly set fixed voltage
1. Communication problem
caused by temporary environ-
mental faults (grid, EMC, etc.)
2. Ribbon cable between filter
PC board and power module
faulty
3. Faulty AC guard on filter PC
board
4. Faulty AC guard on power
module
Remedy
1. Restart inverter
2. Replace inverter
1. Check cabling
1. Replace fuse
2. Set DC mode to "floating"
1. Automatically corrected
2. Replace filter PC board
1. Check ISO/GFDI setting
2. Check PV generator
3. Replace DC PC board and
then, if necessary, AC PC
board
1. Check cabling
2. Grid failure
3. Replace AC PC board
4. Replace filter PC board
1. Software update
2. Reload setup
3. Check hardware compo-
nents
1. Software update
2. Reload setup
3. Check hardware compo-
nents
1. Restart inverter
1. Check settings
1. Automatically corrected
2. Replace ribbon cable
3. Replace filter PC board
4. Replace AC PC board