Code Error message Error reaction Possible reason
4
Under flux monitoring
4
5
Minimum speed monitoring
1 ,
2, 3
6
Error during alignment
1, 2
7 Current limitation V/f oscil‐
lates
5
E45
(0x52D)
(1325
d
)
Short circuit in power output stage
Drive is immediately disabled,
motor coasts to standstill.
Short circuit of the power output stage
due to:
1 Internal short circuit 1 Faulty drive control
2 (VCE) desaturation detection 2 Wrong parameters, output stage
defective, broken cable, short
circuit etc.
3
Short to ground 3 Short to ground of a motor phase
4 Current measuring range 4 Wrong parameters, output stage
defective, broken cable, short
circuit etc.
5
Overload motor 5 Drive function V/f: incorrect para‐
meter setting of “Flying restart”
E46
(0x52E)
(1326
d
)
1
Safety circuit (Safety X10) Drive is immediately disabled,
motor coasts to standstill without
control.
1
Safety circuit STO is activated
when the output stage is active;
input SAFE A and/or input SAFE B
were triggered.
2
Initialization error: internal
hardware of safety controller
2 Safety function SFM/SLOF: error
in according hardware compo‐
nents of the safety controller
3
Incorrect data/parameters in
process sequence
3 Safety function SFM/SLOF: faulty
PLC telegrams
4 Error in function parameters
for a functional part
4 Safety function SFM/SLOF: para‐
meter is out of limits
5 Timeout of monitoring func‐
tions
5 Safety function SFM/SLOF: error
in according hardware compo‐
nents
6
Monitoring of OSSD signals
and output stage enable
6 Safety function SFM/SLOF:
▶ wrong OSSD signals
▶ defective OSSD relay
▶ defective multiplexer
7
Monitoring of motor phases 7 Safety function SFM/SLOF: defec‐
tive motor cable (broken cable)
8 Frequency exceeded 8 Safety function SFM/SLOF:
▶ set reference speed value is
too high
▶ limit value for Safe Limited
Output Frequency is parame‐
terized incorrectly
▶ OSSD signals are set incor‐
rectly
9 Communication error
between DSP and safety
controller
9
Safety function SFM/SLOF:
communication between DSP and
safety controller is disturbed
W
Status Display and Error Messages
Drive Amplifier SD2B / SD2B plus - Hardware Description 63
10
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