A-TS
76
https://a-ts.cn/en/
Fault
code
Display
code
Fault
description
Possible reasons
Actions
F.oPL
.
Output phase
loss
Output phase failure
among Phase U, V
and W
Check the
inverter output
wiring
Check the cable
and the motor
F.FAL
.
Inverter
moduleprotection
Instant overcurrent
See User manual
Interphase shorted or
groundshorted
Re-wiring
Fan duct blockage or
damage
Clear the fan duct
or replace the fan
Ambient temperature
is too high
Lower the
ambient
temperature
Panel wiring or
plug-ins losse
Check and
re-wiring
Output phase loss or
some other reasons
result in current
waveform
abnormalities
Check the wiring
Charge voltage
damaged, inverter
voltage undervoltage
Seek service
Straight bridge arm
Seek service
Panel abnormal
Seek service
F.oH1
.
Inverter module
heatsink
overheat
Ambient
over-temperature
Lower the
ambient
temperature
Obstruction of
ventilation channel
Clear the
ventilation
channel
Fan does not work
Replace the fan
Inverter fault
Seek service
F.oH2
.
Reserved
Reserved
Reserved
F.oL1
.
Inverter overload
Too short Acc time
Prolong Acc time
Too large DC braking
energy
Reduce DC
braking current,
prolong braking
time
Improper V/F curveV/F
Adjust V/F curve
or torque boost
value
