INVT Goodrive350-19 Series Operation Manual page 408

Goodrive350-19 series VFD
Alarm
Alarm type
code
A-bS Brake failure alarm
Brake feedback
A-FA
Loose rope
A-SL
protection alarm
A-Ot1 overtemperature
A-Ot2 overtemperature
A-Pt1
disconnection alarm
A-Pt2
disconnection alarm
A-Ptc overtemperature
Note: After fault recovery, the corresponding alarm is automatically reset.
The
insufficient.
The encoder is abnormal.
The zero servo detection
parameter
improperly.
The brake feedback circuit
is disconnected or in poor
contact.
alarm
The
detection time is too short.
The hook rope is abnormal.
The downward loose rope
parameter
improper.
The current environment
PT100 temperature is too high.
PT100
alarm protection
improper.
The current environment
PT1000
temperature is too high.
PT1000
alarm
alarm setting is improper.
PT100 PT100 connection circuit is
opened.
PT1000 PT1000 connection circuit
is opened.
PTC
The current environment
temperature is too high.
alarm
Possible cause
brake force
is set
brake feedback
setting
overtemperature
setting
overtemperature
- 401 -
Corrective measure
Check whether the brake
is
works normally.
Check whether the encoder
works normally.
Check whether the zero servo
is
tolerance pulse threshold is
too small.
Check the brake feedback
circuit.
Increase the detection time
P90.32 to a proper value.
Check whether the hook rope
is normal.
Check whether the downward
is
loose rope detection torque is
proper.
Check the current
environment temperature.
Check whether
is overtemperature
point is too small.
Check the current
environment temperature.
Check whether
overtemperature
point is too small.
Check PT100
circuit.
Check PT1000 connection
circuit.
Check the
environment temperature.
Troubleshooting
PT100
protection
PT1000
protection
connection
current