Fronius 10.0-1 Serviceanleitung Seite 109

Code Description
741 Error when writing to USB
flash drive
743 Update failed
745 Checksum test failed
746 One or more PC boards
could not be found
751 Real-time clock lost
754*–755* Time set
757 Time cannot be saved; in-
verter infeed is deactivated
for safety reasons
758 RTC quartz faulty in emer-
gency mode
760 System quartz faulty
761* Read error on on-board
memory PC board
762* Read error on memory PC
board
Behavior
1. USB flash drive memory full
2. USB flash drive memory too
small
3. USB flash drive removed
during write process
4. Grid voltage failure during
write process
5. Invalid data
1. USB flash drive removed
during update
2. Update failed
3. Read/write protection on
USB flash drive
4. PC board compatibility error
1. File on USB flash drive faulty
1. PC boards not completely
started
2. PC boards not completely
started
3. PC board data of some
boards incompatible
1. Inverter has not had AC con-
nection for more than 5 days
2. Memory on Recerbo faulty
1. Time/date set
1. Faulty real-time clock
1. Occurs once
2. Recerbo faulty
1. Occurs once
2. Recerbo faulty
1. On-board memory PC board
missing
2. Faulty ribbon cable
3. Recerbo faulty
4. On-board memory PC board
faulty
1. Integrated memory PC
board missing
2. Faulty ribbon cable
3. Recerbo faulty
4. Integrated memory PC
board faulty
Remedy
1. Delete data from USB flash
drive
2. Use a larger USB flash drive
3. Re-insert USB flash drive
and restart update
4. Check grid
5. Format USB flash drive
1. Re-insert USB flash drive
and restart update
2. Restart update
3. Remove read/write protec-
tion
4. Check hardware compo-
nents
1. Format USB flash drive
1. Wait 1 minute with the up-
date
2. See device -> info menu: All
versions available?
3. Replace inverter
1. Set time
2. Replace Recerbo
1. Replace Recerbo
1. Automatically corrected
2. Recerbo faulty
1. Automatically corrected
2. Replace Recerbo
1. Replace interface PC board
with on-board memory PC
board
2. Replace ribbon cable
3. Replace Recerbo
4. Replace inverter
1. Use/install original memory
PC board
2. Replace ribbon cable
3. Replace Recerbo
4. Replace inverter
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