Fault codes and software
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67
4
F32 Fan cooling fault
N O T E:
T his fault exist in F R 8 or bigger drives.
FR 8 pow er cable betw een pow er board and
fan-inverter contain 0 ohm resistor.
P roblem can be in fan, fuses, fan capacitor, fan inverter, power-,
control board or cables betw een these.
C heck isolation transform er and output com m on m ode filter,
if drive is equipped with such.
F 32 displayed.
C heck logged
data in
fault history.
Fan does not start,
w hen "O N "
-com m and is given.
C heck fan inverter
for visible dam age.
D isconnect and check fan.
M easure winding resistance
and insulation resistance.
W ere all
m easurem ents
O K?
Power drive, with
fan disconnected.
Fan-inverter fault.
A lso check fan
capacitor.
R eplace faulty fan.
C heck at least fan
capacitor and fan inverter.
P ow ersupply fault or
"O N "-com m and m issing.
S ee "N O T E" window .
Found appr. 260V
on all outputs?
YE S
Are both
leds "on"
continually ?
N O
YES
N O
Is "green" led
blink ing?
N O
M easure output
from inverter.
YE S
N O
C apacitor fault.
YES
FIGURE 26. Fault code F32
