Unitek TV3.230 Series, Manual

Page: 33 / 36

7 Fault Finding
TV3.2 33
switch on enable
nominal value 0V
I
max
- poti 20%
auxiliary power voltage missed
check connections and fuses
motor or earth short circuit
output stage failure
Amplification to high
reduce with Poti Xp
adjust speed with poti
OFFSET to 0
NO
YES
NO
NO
adjust speed with
poti n
max
10%
set nom. value to 0V
increase nom. value to 10%
increase amplification with Poti
Xp until the drive swings,
afterwards rerduce until the
drive runs smoothly
adjust current limits with
Poti I
max
to peak current and
Poti ID to steady current
of the motor
Putting into operation
completed
mains switched off
YES
NO
NO
YES
YES
YES
YES
YES
YES
increase nom. value to 10%
check tachometer connection
F
a
u
lts
NO
switch on power supply
LED green bright
LED green bright
Motor stands still or runs slowly
LED green dark
LED bright red
Motor runs fast
Motor turns steady
Motor stands still
Check tachometer
connection
NO