GE Industrial Solutions AF-300C AC Drive User Manual
Page 99
AF-300C
GEK-85716
OVERHEAT
I
Is the inverter cooling
NO
Check Power to
Correct Power
fan working?
cooling fan.
Supply Problem.
twisted wire for
YES
Replace Cooling Fan.
control inputs. (Do not
connect terminals 11 or
Is the
air
YES
passage plugged?
Remove obstacles.
NO
Is ambient temperature
YES
Check Speed Pot
within specified value?
wiring.
NO
YES
N O
Check that proper
noise prevention
measures have
YES
been taken.
I
Potential noise
interference.
Figure 8-4.
OVERHEATS” TROUBLESHOOTING CHART
CPU ABBNORMAL
Display abnormal
or out
YES
Turn power OFF, then
Sack ON (after CHARGE
lamp goes out).
Use shielded and
twisted wire for
control inputs. (Do not
connect terminals 11 or
CM to earth ground.)
Has data been
YES
The inverter is normal;
N O
Check that proper
played on indicator?
allow continuous
noise prevention
operation.
measures have
YES
NO
been taken.
Check that insertion of
Potential noise
CPU into IC socket is
interference.
YES
Possible inverter
correct.
failure Contact
I
lnverter Supplier
Figure 8-5. “CPU ABNORMAL” TROUBLESHOOTING CHART
8-7