INVT Goodrive350-19 Series Operation Manual page 369

Goodrive350-19 Series VFD for Crane
Fault
Fault type
code
[77] Power-on terminal
POE
command exception
[78] Loose rope
SLE
protection fault
bE [79] Brake failure
[80] Master/slave
ELS
synchronization fault
[81] Analog speed
AdE reference deviation
[82] PT100
OtE1
overtemperature fault
[83] PT1000
OtE2
overtemperature fault
[84] Set frequency
SFE
The terminal command is
detected at power-on.
The hook rope is abnormal.
The downward loose rope
parameter setting is
improper.
The brake force is
insufficient.
The brake detection
parameter setting is
improper.
The encoder pulse difference
between the master and
position slave is too large.
The pulse threshold setting
is improper.
If the speed is given by
analog, the analog voltage is
greater than 1.0V after
zero-position detection is
fault
complete.
Ambient temperature too
high.
PT100 circuit exception.
PT100 overtemperature
protection is set improperly.
Ambient temperature too
high.
PT1000 circuit exception.
PT1000 overtemperature
protection is set improperly.
The set frequency is too
small.
fault
Possible cause
-357-
Troubleshooting
Solution
Check whether P01.18 is set to
enable the VFD reports a fault
when a terminal command is
valid at power-on.
Check the input terminal signal.
Check whether the hook rope is
normal.
Check whether the downward
loose rope detection torque is
proper.
Check whether the brake is
normal.
Check whether the brake slip
parameter setting is proper.
Check whether the master and
slave encoders are abnormal.
Check whether the salve pulse
threshold is set too small.
Check the analog wiring and
current voltage value.
Check the ambient temperature.
Check the PT100 circuit.
Check whether the PT100
overtemperature fault point is
set too small.
Check the ambient temperature.
Check the PT1000 circuit.
Check whether the PT1000
overtemperature fault point is
set too small.
Check whether the frequency
reference is less than the set
frequency fault protection
frequency point.