Error Cause Remedy
Write Error File cannot be written to the mi‐
cro SD card.
• Check whether the micro SD card is inserted.
• Check whether the micro SD card is write-protec‐
ted.
FWUpdateInvalidSignature The rmware is incomplete
and/or the rmware expansions
are incomplete or incompatible.
• Run a complete rmware update.
• Check any error messages that occur.
• Check to see whether or not the rmware update
was aborted.
No device answer The connection to the connected
soft starter has been interrupted.
Check the connection between the HMI and the de‐
vice.
Loading language unsuccessful
1)
Subsequently loading the lan‐
guage is incomplete and/or the
loaded language is incomplete or
incompatible.
• Ensure the languages are loaded completely.
• Check any error messages that occur.
• Check to see whether or not loading the language
has been interrupted.
Invalid signature 'Load additional
language'
1)
1)
3RW5 HMI High Feature rmware version V3.0 or higher
9.6 Performing diagnostics on the 3RW55 and 3RW55 Failsafe soft
starters using the 3RW5 HMI High Feature
With the diagnosis, you can display dierent statuses (Diagnosis state, Device state), Statistic
data and Maximum pointer of the 3RW55 and 3RW55 Failsafe soft starter. There is also the self-
test (user-test) (Page 264) and logbooks (Page 265).
Requirements
Note
Diagnostics on the 3RW55 Failsafe soft starter
Make sure that for diagnostics the 3RW55 Failsafe soft starter is always directly connected to the
main supply voltage (operational voltage).
Additional contact elements, such as a redundant contactor, must only be connected in series
behind the 3RW55 Failsafe soft starter.
• You are in the "Diagnosis > Soft Starter" menu.
Messages and diagnostics
9.6 Performing diagnostics on the 3RW55 and 3RW55 Failsafe soft starters using the 3RW5 HMI High Feature
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006 257
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