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INVT Goodrive350-19 Series Operation Manual page 373

Vfd for crane
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Goodrive350-19 Series VFD for Crane
Alarm
Alarm type
code
overtemperature
A-OvL
[15] Weighing alarm Motor overloaded.
[16] Alarm of slave
A-SLO
brake feedback in
master/slave control
[17] Reminding in
A-bEt
power-on auto brake
detection
[18] Alarm indicating
the set frequency is
A-rSF
less than the brake
closing frequency
after brake release
Note: After fault recovery, the corresponding alarm is automatically cleared.
8.5.3 Other status
Displayed
Status type
code
PoFF
System power failure
too high.
alarm
Temperature sensor detection
circuit exception.
Improper OH protection
setting.
The brake release of the slave
is not synchronous with that of
the master.
Automatic brake detection is
performed after power-on.
The set frequency is lower
than the brake closing
frequency after the brake is
released in the situation where
brake control is enabled.
The system is powered off or
the bus voltage is too low.
Possible cause
Possible cause
-361-
Troubleshooting
Solution
wiring circuit.
Check whether P92.24 is too
small.
Check whether P92.04 is to
small.
Check parameter settings.
Check the tens place setting of
P92.00.
Check the setting of P92.30 to
check whether the set frequency
is lower than the brake closing
frequency.
Solution
Check the grid conditions.

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