Goodrive350-19 series VFD Troubleshooting
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Fault
code
Fault type
Possible cause
Corrective measure
host computer (or PLC)
ESCAN
Can master/slave
communication card
communication
timeout fault
There is no data
transmission between the
CAN master and slave
communication cards
Check whether the
communication card wiring is
loose or dropped
S-Err
Master-slave
synchronous CAN
slave fault
Fault occurred to one of the
CAN slave VFDs
Detect the CAN slave VFD and
analyze the corresponding fault
cause of the VFD
dIS
Failure to enable the
VFD
The input terminal selects
VFD enabling, but the
terminal signal is invalid.
Check the input terminal setting
and terminal signal.
tbE
Contactor feedback
fault
The
contactor
feedback
circuit is disconnected or in
poor contact.
The contactor feedback
detection time is too short.
Check the contactor feedback
circuit.
Increase the detection time
P91.05 to a proper value.
FAE
Brake feedback fault
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.
tPF
Torque verification
fault
The torque verification
current, moment force
setting, and torque
verification fault detection
time are set improperly.
Set the torque verification
current, moment force setting,
and torque verification fault
detection time P90.30 properly.
StC
Operating lever
zero-position fault
The operating lever does not
return to the zero position.
The operating lever
zero-position signal is
adhered.
Put the operating lever to the
zero position.
Check out the operating lever
zero-position signal.
LSP
Low-speed running
protection fault
The running speed is too
low.
Check whether the running
speed is continuously lower
than P92.03.
tCE
Terminal command The terminal gives both the
Check the input terminal signal.