Fronius Primo 3.0-1 Service Manual page 103

Code Description
751 Real-time clock lost
754* - 755* Time set
757 Time cannot be saved; for
safety reasons the inverter
is not feeding in power
758 RTC quartz does not work
in emergency mode
760 Faulty system quartz
761* Read error on on-board
memory chip
762* Read error on on-board
memory chip
763* Power limitation on on-
board memory chip cannot
be read
765* Recerbo cannot read power
limitation
766 No power limitation found
767* Power limitation cannot be
read
768 Power limitation changed
while feeding energy into
the grid
772 Memory on memory chip is
not available; for safety rea-
sons the inverter is not
feeding in power
773 Memory on memory chip is
not initialised; for safety
reasons the inverter is not
feeding in power
Behaviour
1. Inverter has not been able to
establish an AC connection for
more than 5 days
2. Faulty Recerbo memory
1. Date/time has been set
1. Faulty real-time clock
1. Occurs once
2. Faulty Recerbo
1. Occurs once
2. Faulty Recerbo
1. On-board memory chip
missing
2. Faulty ribbon cable
3. Faulty Recerbo
4. Faulty on-board memory
chip
1. Integrated memory chip
missing
2. Faulty ribbon cable
3. Faulty Recerbo
4. Faulty integrated memory
chip
1. On-board memory chip
missing
2. Faulty Recerbo
3. Faulty on-board memory
chip
1. Faulty Recerbo
1. Faulty Recerbo
2. Faulty on-board memory
chip or integrated memory chip
1. Occurs once
2. Faulty Recerbo
1. Integrated memory chip is
connected or switched off
while feeding energy into the
grid
1. SSP is not connected
1. Memory not programmed or
memory lost
2. Faulty Recerbo
Remedy
1. Setting the time
2. Replace Recerbo
1. Replace Recerbo
1. Automatic correction
2. Faulty Recerbo
1. Automatic correction
2. Replace Recerbo
1. Replace interface PC board
with on-board memory chip
2. Replace ribbon cable
3. Replace Recerbo
4. Replace inverter
1. Use/install original memory
chip
2. Replace ribbon cable
3. Replace Recerbo
4. Replace inverter
1. Use/install original memory
chip
2. Replace Recerbo
3. Replace inverter
1. Replace Recerbo
1. Replace Recerbo
2. Replace inverter
1. Automatic correction
2. Replace Recerbo
1. Automatic correction (state
code must be confirmed)
1. Check SSP
1. Reload setup
2. Replace Recerbo
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