ID 442426.04 426WE KEEP THINGS MOVING
Diagnosis
16
Manual SD6
16.47 84:Drop in network with power stage active
Triggering Level Response Counter
A problem was discovered with the supply voltage. Fault The power board is switched off and the drive becomes
torque-free/force-free unless emergency braking U30
(A29) is parameterized. If the air override is inactive, a
possibly existing brake will be controlled to close.
Z84
Possible cause Test Measure Confirmable
Drop in network If the mains monitoring detects that the
mains is missing, the load relay is
immediately switched off. Normal operation
is maintained. If the mains return of the
power board is still switched on, a fault is
triggered after 0.5 s.
Check whether the mains voltage
corresponds to the specification or whether
there is a power failure.
Yes
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