REXROTH EFC 3600 - In Run State; Diagnosis on Warnings

9.3.2 In Run State
Displayed message
UE-1
If the DC bus voltage drops down below a certain value under the following two
situations, the messages above will show up:
1. Normal power down: this will cause DC bus voltage down below the under-
voltage threshold along with this message.
2. Sudden power drop: this will cause that DC bus voltage drops at first
down below the undervoltage threshold along with this message but then
recovers before CPU voltage dropped to power down level, soft restart will
be activated again and this message will be reset automatically.
9.4 Diagnosis on Warnings
EFC 3600 has totally 4 kinds of warning messages as shown in the table below:
Displayed
message
Diagnosis
PrSE
If any contradiction exists in parameter settings, the set value is invalid and this mes-
sage will show up. After 1.5s, the previous data will be displayed.
S.Err
This message will show up if the user tries to change a parameter which is read-only
or protected by a password in RUN state. After 1.5s, the previous data will be dis-
played.
P.oFF This message will show up only when power down/drop happens in STOP state.
C-dr
This message will show up if communication disruption timeout exceeds the value
defined in H0.08 when H0.09 "Communication disruption action" is set to "1: con-
tinues running".
All warnings will not lead to automatic shutdown.
EFC 3600 Bosch Rexroth AG
Diagnosis
DOK-RCON03-EFC-3600***-IT03-EN-P
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