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Bosch Rexroth EFC 3600 Operating Instructions Manual page 142

Frequency converter
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Bosch Rexroth AG
Diagnosis
Parameter initialization will reset all parameter settings to factory defaults.
Please backup necessary data before this operation.
9.5.2
Error Reactions of the Frequency Converter
If an error happens in running state, the frequency converter has to perform a suitable
error reaction. For general errors, the frequency converter will freewheel to stop. Some
errors may be associated with special error reaction (e.g. communication error), which
are configurable. If a configurable error reaction is set to "ignore error", then the error is
neither displayed nor stored in the error memory.
9.5.3
Clearing an Error Message
An error message can be cleared by the following actions:
● Press the STOP button.
● Activate the digital I/O terminal configured as "external fault reset".
All other buttons or run commands from external sources are ignored be‐
fore the error is reset. After reset, the display returns to the state before
the error occurred.
9.5.4
Error Memory
Several diagnostic messages of errors are written to the error memory. 3 recent errors
are stored in [E4.20]~[E4.22]. The latest error is always stored in [E4.20] , and the pre‐
vious error codes are shifted one place back in the FIFO. The oldest error (value of
[E4.22] before the new error occurred) will be shifted out of the FIFO and is lost. Sys‐
tem status at latest fault are recorded in [E4.30]~[E4.35].
9.5.5
Automatic Fault Reset
An automatic fault reset mechanism can be configured by setting [E4.15] to a non-zero
value. If an error occurs, the normal error reaction and diagnosis is performed as de‐
scribed above. After the frequency converter has stopped the P.M. output, the system
will remain in idle mode for the delay time [E4.16]. Then the error will automatically be
reset and a run command will be generated to restart the frequency converter. This se‐
quence will be performed [E4.15] times in a row. If the error still exists, the frequency
converter remains in idle mode and no longer performs automatic restart attempts. A
manual reset is required to resume the operation.
If a manual error reset (via STOP button or I/O terminal, see above) is requested while
the error is displayed during the automatic fault reset sequence (during the delay time
between a fault and the automatic restart attempt), the sequence will be interrupted and
the error is reset. The frequency converter remains in idle mode and no longer per‐
forms automatic restart attempts.
If the frequency converter is successfully restarted, then the number of automatic re‐
start attempts will be reset to [E4.15].
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DOK-RCON03-EFC-3600***-IT01-EN-P
Rexroth Frequency Converter EFC 3600
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