102
735 A suitable update for the in-
verter cannot be found on
the USB flash drive
1. Old or corrupt update on the
USB flash drive
1. Load a new update onto the
USB flash drive
2. Update file for a different in-
verter
2. Use the correct update file
3. PC board compatibility error 3. Check hardware compo-
nents
736 Read or write error has oc-
curred
1. Incorrectly formatted USB
flash drive
1. Format the USB flash drive
with FAT32
2. USB flash drive is password-
protected
2. Remove password protec-
tion
3. Read or write protection on
USB flash drive
3. Remove read or write pro-
tection
737 Update file could not be
opened
1. Update file is corrupt 1. Load a new update onto the
USB flash drive
2. Error during formatting 2. Format USB flash drive
738 Log file cannot be created 1. Incorrectly formatted USB
flash drive
1. Format the USB flash drive
with FAT32
2. USB flash drive is password-
protected
2. Remove password protec-
tion
3. Read or write protection on
USB flash drive
3. Remove read or write pro-
tection
740 Error during initialisation 1. Update file has incorrect for-
mat
1. Format the USB flash drive
with FAT32
2. Faulty USB flash drive 2. Use a different USB flash
drive
741 Error when writing to USB
flash drive
1. Memory on USB flash drive
is full
1. Delete data from USB flash
drive
2. Memory on USB flash drive
is too small
2. Use a larger USB flash drive
3. USB flash drive removed
during write operation
3. Reinsert USB flash drive
and restart update
4. Power failure during write
operation
4. Check power supply
5. Invalid data 5. Format USB flash drive
743 Update failed 1. USB flash drive removed
during update
1. Reinsert USB flash drive
and restart update
2. Update failed 2. Restart update
3. Read or write protection on
USB flash drive
3. Remove read or write pro-
tection
4. PC board compatibility error 4. Check hardware compo-
nents
745 Checksum test failed 1. File on USB flash drive is
corrupt
1. Format USB flash drive
746 One or more PC boards
could not be recognised
1. PC boards have not been
fully initialised yet
1. Wait one minute while the
update installs
2. PC boards have not been
fully initialised yet
2. See device -> Info menu:
Are all versions available?
3. PC board data for some PC
boards is not compatible
3. Replace inverter
Code Description Behaviour Remedy
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