Fronius Symo Service Manual

110
735 For this inverter no fitting
update is on the USB flash
drive
1. Old or defective update on
the USB flash drive
1. Load new update on the
USB flash drive
2. Update file from another in-
verter
2. Use the correct update file
3. Compatibility error 3. Check hardware compo-
nents
736 Read or write error ap-
peared
1. Incorrectly formatted USB
flash drive
1. Format USB flash drive with
FAT32
2. USB flash drive secured with
a password
2. Delete password protection
3. Read or write protection on
the USB flash drive
3. Delete read or write protec-
tion
737 Update file couldn‘t be
opened
1. Defective update file 1. Load new update on the
USB flash drive
2. Failure while formatting 2. Format USB flash drive
738 Creating a Logfile is not
possible
1. Incorrectly formatted USB
flash drive
1. Format USB flash drive with
FAT32
2. USB flash drive secured with
a password
2. Delete password protection
3. Read or write protection on
the USB flash drive
3. Delete read or write protec-
tion
740 Failure while writing initial-
ising
1. Failure in the USB flash
drive format
1. Format USB flash drive
2. Defective USB flash drive 2. Use another USB flash drive
741 Failure while writing on
USB flash drive
1. Memory on USB flash drive
full
1. Delete data from USB flash
drive
2. Memory on USB flash drive
too small
2. Use a bigger USB flash drive
3. USB flash drive unplugged
while writing
3. Reconnect USB flash drive
and start update again
4. Mains voltage drop out while
writing
4. Check grid
5. Invalid data 5. Format USB flash drive
743 Update failed 1. Unplugged USB flash drive
while updating
1. Reconnect USB flash drive
and start update again
2. Update failed 2. Restart update
3. Read or write protection on
the USB flash drive
3. Delete read or write protec-
tion
4. Compatibility error 4. Check hardware compo-
nents
745 Checksum test failed 1. File on USB flash drive is de-
fective
1. Format USB flash drive
746 One or more boards could
not be identified
1. Boards have not started
completely yet
1. Wait 1 minute with the up-
date
2. Boards have not started
completely yet
2. See device -> info menu: all
versions available?
3. Print data of some boards
are incompatible
3. Change inverter
Code Description Behaviour Remedy

Fronius Symo Specifications

General

THD	< 3 %
Number of MPP Trackers	2
Protection Class	IP65
Frequency Range	50 / 60 Hz
Operating Temperature Range	-25°C to +60°C
Power Range	3.0 kW - 20.0 kW
AC Output Voltage	230 V
Communication	Ethernet
Warranty	5 years
Model	Symo