INVT Goodrive350-19 Series User Manual

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

INVT Goodrive350-19 Series Specifications

General

Brand	INVT
Model	Goodrive350-19 Series
Category	DC Drives
Language	English