Veichi AC100-T3-1R5G Manual page 67

AC100 HIGH-PERFORMANCE VC INVERTER MANUAL
Diagnose Process When Power Supply Voltage is Too Low
Restart after reset
Change fault component
and correct bad contact
Modify power supply
system as required
Adjust FA.10 setting
Diagnose Process for Inner Inverter Overheat
Change fan
Maybe temperature ditection
circuit fault.please seek for
technic support
Reduce load and
carried frequency
Clear the air-logged channel
Adjust the temperature to
the fixed range as required
Voltage is too low
while stop(L.U.1)
yes
Whether power off,including instant power off
no
yes
Is there any fault component or bad contact in power circuit
no
no
Whether power voltage is in fixed range as required
yes
yes
Is there any big load start or stop under the same power supply
no
no
votage between DC circuit P+ and N- in
main loop is over FA.10 setting or not
yes
Maybe inverter fault.please seek for technic support
Inner inverter overheat
E.OH1,E,OH2
no
Whether cooling fan works normally
no
Whether temperature display(C-12)is
the same as the actual temperature
yes
yes
Whether load and carried frequency
F0.17 setting are too high
yes
Whether air cooling channels are air-logged
no
Whether the temperature is within the fixed range as required
yes
Maybe machine fault or misact.seek for technic support
64
FAULT DIAGNOSES AND PROCESSING
Voltage is too low
while running(E.LU2)
no
no
yes
no
yes
yes
no
no