(15) Alarm
[The voltage in the converter circuit is
checked and if it exceeds 400 V, this alarm
occurs.)
Item
Cause
Check
Remedy
The input power voltage
In the same manner as the
See the alarm
waveform is abnormal.
alarm No.24, No.25, and
No.32.
No.32,
check the waveform.
Increase the power capacity.
Thicken the size of the
cable between the input
1
power supply and the ampli-
fier.
Improve other components
which generate distorted
waves by installing surge
killers and so forth.
The input power
In the same manner as the
See the alarm
is high.
alarm
No.32.
check the input power.
Replase the power supply
with that whose impedance
2
is low.
Tighten the screws of the
cable connections between
the input power and ampli-
fier.
An instantaneous power
In the same manner as the
See the alarm
failure occurs in the
alarm
check the
Check the cause of the
3
input voltage or the
input power.
voltage drops when the
instantaneous power failure
motor decelerates.
or voltage drop and improve
the power condition.
The printed circuit
Replace the SF-CA card with
Replace the printed circuit
4
board SF-CA card is
a new one and check that the
board SF-CA card with a
defective.
equipment correctly works.
new one.
(See Section 2.4.4.)
The main circuit unit
Check the regenerative
Replace the amplifier main
is defective.
transistor module by
circuit unit with a new
5
Section 2.5.
one.
(Note) See Section 2.7.
Содержание FREQROL-SF
Страница 100: ... 3 Display lamps See Appendix 8 2 4 Check terminals See Appendix g 3 95 ...
Страница 101: ......
Страница 102: ......
Страница 103: ......
Страница 104: ......
Страница 105: ......
Страница 106: ......
Страница 107: ......
Страница 108: ......
Страница 109: ......
Страница 110: ......
Страница 111: ......
Страница 128: ......
Страница 129: ......
Страница 130: ......
Страница 131: ......
Страница 132: ......
Страница 133: ......
Страница 134: ......
Страница 135: ......
Страница 136: ......
Страница 137: ......
Страница 138: ......
Страница 139: ......
Страница 140: ......
Страница 141: ......
Страница 142: ......
Страница 143: ......
Страница 144: ......
Страница 145: ......
Страница 146: ......
Страница 147: ......
Страница 148: ......
Страница 149: ......
Страница 168: ...I J No Common Signal description waveform Example of waveform Orientation stop state 13 5 16 5V 9 1lV 1 300ILsec 163 ...