Short circuit to
E-15
ground when
operation
Short circuit to
E-16
ground when
power on
E-17
Inverter overheat
(A-17)
E-18
External device
(A-18)
failure
Current detecting
E-19
circuit failure
214
Connecting wire or insert on control
board loose
Unwonted current wave caused by
missing output phase etc.
Assistant power supply damaged
and drive voltage lacking
Unwonted control board
Motor short circuit to ground
Hall component is damaged or the
hall wiring is poor or the current
detection circuit is abnormal
Motor short circuit to ground
The power supplier of the inverter
and the motor wiring are reversed
Hall component is damaged or the
hall wiring is poor
Continuous alarm on A-17 for more
than 30 minutes
Duct blockage
The ambient temperature is too
high
Fan damage
External
fault
emergency
terminal closed
Sudden stop terminal for external
failure closed
Connecting wire or insert on control
board loose
Assistant power supply damaged
Hall component damaged
Unwonted amplifying circuit
Check and connect the wire again
Check wiring
Look for service from manufacturer or
agent
Look for service from manufacturer or
agent
The replacement of cable or motor
Look for service from manufacturer or
agent
The replacement of cable or motor
Change the cable or the motor
Look for service from manufacturer or
agent
Cleaning or to improve the ventilation
duct
Cleaning or to improve the ventilation
duct
To improve the ventilation
conditions,
decreasing
frequency
Change new one
stop
Open external failure terminal after
external failure is settled
Open external failure terminal after
external failure is settled
Check and connect the wire again
Look for service from manufacturer or
agent
Look for service from manufacturer or
agent
Look for service from manufacturer
or agent
the
carrier